09.情态动词的高频用法-2025年秋新九年级英语语法重难点释疑与巩固(通用版)

2025-06-09
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学段 初中
学科 英语
教材版本 -
年级 九年级
章节 -
类型 教案-讲义
知识点 情态动词
使用场景 同步教学-新授课
学年 2025-2026
地区(省份) 全国
地区(市) -
地区(区县) -
文件格式 ZIP
文件大小 137 KB
发布时间 2025-06-09
更新时间 2025-06-09
作者 天空英语
品牌系列 -
审核时间 2025-06-09
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2025年秋新九年级英语语法重难点释疑与巩固 09.情态动词的高频用法 情态动词 高频用法 肯定句示例 否定句 / 疑问句示例 说明 can/could 1. 表能力(过去式 could) 2. 表请求或允许(could 更委婉) 3. 否定句 / 疑问句表推测 I can speak English. Could you help me? Can he swim? He can't be at home.(否定推测:不可能) could 可用于虚拟语气,如 If I could fly... may/might 1. 表请求许可(比 can 更正式) 2. 表推测(可能性较小,might 更不确定) May I use your pen? It may rain tomorrow. Might he come late? You may not enter without permission. may/might not 表 “可能不”,否定推测时用 can't(不可能)更强烈 must 1. 表必要性或义务(“必须”) 2. 肯定句中表推测(“一定”,可能性极高) We must wear masks. He must be tired. Must I finish it now? Mustn't(禁止):You mustn't smoke here. must 提问时,否定回答用 needn't 或 don't have to(不必) should 1. 表建议、义务或责任(“应该”) 2. 用于纠正或批评 You should study harder. Should I call him? You shouldn't waste time. 常与 ought to(应该)互换,但 ought to 语气稍弱,后接 to do need 1. 作情态动词:用于否定句 / 疑问句,表 “需要” 2. 作实义动词:need to do(肯定句) — Need he come early? You needn't worry. 实义动词用法:He needs to buy a book.(否定 / 疑问需加助动词:doesn't need to) will/would 1. 表意愿、请求(would 更委婉) 2. 表习惯性动作(“总是”) 3. 表过去将来 I will help you. Would you like some tea? Will it rain tomorrow? He wouldn't listen to me. would 用于虚拟语气或过去习惯,如 He would go fishing every weekend.(过去常做) 情态动词表示说话人的语气或态度,本身有一定含义,但不能单独作谓语,需与动词原形搭配使用。 一、表示能力(can/could) can 表示现在的能力,could 表示过去的能力(或委婉请求)。否定式:can't/cannot(不能)/couldn't(过去不能)。 1. 表示现在具备的能力 结构:can + 动词原形 She can speak three languages.(她会说三种语言。) Can you swim?(你会游泳吗?) We can finish the task before lunch.(我们能在午饭前完成任务。) 2. 表示过去具备的能力 结构:could + 动词原形 He could ride a bike at the age of five.(他五岁时就会骑自行车。) They couldn't find the way home yesterday.(他们昨天找不到回家的路。) When I was young, I could climb trees easily.(我小时候能轻松爬树。) 3. 表示委婉请求(could 比 can 更礼貌) 结构:Could you + 动词原形...? Could you help me carry the box?(你能帮我搬这个箱子吗?) Could I borrow your pen?(我能借你的钢笔吗?) Could we leave a bit earlier?(我们能早一点离开吗?) 二、表示许可(can/could/may/might) can/may 表示现在或将来的许可(may 更正式); could/might 表示过去的许可或委婉请求(语气更弱)。 1. 表示允许他人做某事 结构:Can/May + 主语 + 动词原形...? May I use your dictionary?(我可以用你的字典吗?) Can we go out for a walk after dinner?(晚饭后我们能出去散步吗?) You may leave now if you finish the work.(如果你完成工作,现在可以离开。) 2. 表示过去的许可(常用于否定) 结构:couldn't/might not + 动词原形 They couldn't enter the room because it was locked.(他们进不了房间,因为门锁了。) Students might not bring phones to school in the past.(过去学生可能不能带手机到学校。) He could not stay out late when he was a teenager.(他青少年时不能在外面待到很晚。) 3. 表示礼貌请求(might 比 may 更委婉) 结构:Might/Could you + 动词原形...? Might I ask you a question?(我能问你一个问题吗?) Could you please tell me the way to the station?(你能告诉我去车站的路吗?) Might we have a look at your new book?(我们能看看你的新书吗?) 三、表示义务或必须(must/have to) must 表示主观上的 “必须”,否定式 mustn't 表示 “禁止”; have to 表示客观上的 “不得不”,否定式 don't/doesn't/didn't have to 表示 “不必”。 1. 主观上的必须(must) 结构:must + 动词原形 We must study hard for the exam.(我们必须为考试努力学习。) You mustn't smoke here.(你禁止在这里吸烟。) Must I finish the work today?(我必须今天完成工作吗?) 2. 客观上的不得不(have to) 结构:have/has to + 动词原形(过去式:had to) She has to take the bus to school because her bike is broken.(她不得不乘公交上学,因为自行车坏了。) They had to cancel the trip due to the bad weather.(由于天气不好,他们不得不取消旅行。) Do you have to leave so soon?(你必须这么快离开吗?) 3. 表示 “不必”(don't have to = needn't) 结构:don't/doesn't/didn't have to + 动词原形 You don't have to come early tomorrow.(你明天不必早来。) We didn't have to wait for hours; the bus came quickly.(我们不必等几个小时,公交车很快就来了。) She needn't worry about the exam; she's well-prepared.(她不必担心考试,准备得很充分。) 四、表示推测(must/may/might/can't) must(肯定推测,“一定”);may/might(可能性推测,“可能”,might 可能性更低); can't(否定推测,“不可能”)。 1. 肯定推测(用于肯定句) 结构:must/may/might + 动词原形(对现在的推测) The light is on; he must be at home.(灯亮着,他一定在家。) She may come to the party tonight.(她今晚可能来参加派对。) They might arrive a bit late due to traffic.(他们可能因交通堵塞晚到一会儿。) 2. 否定推测(can't 表示 “不可能”,mustn't 不表推测) 结构:can't + 动词原形 That can't be true; he never lies.(那不可能是真的,他从不撒谎。) The boy can't be Jim; he's much taller.(这个男孩不可能是吉姆,他高多了。) It can't rain today; the sky is clear.(今天不可能下雨,天空很晴朗。) 3. 对过去的推测 结构:must/may/might + have + 过去分词(肯定);can't + have + 过去分词(否定) He must have finished the work yesterday.(他昨天一定完成了工作。) They might have missed the train.(他们可能没赶上火车。) She can't have seen me because I wasn't there.(她不可能见过我,因为我当时不在那里。) 五、表示建议或责任(should/ought to) should 表示 “应该”(主观建议);ought to 表示 “应该”(客观责任,语气更正式)。 否定式:shouldn't(不应该);oughtn't to(较少用)。 1. 表示建议(should 更常用) 结构:should + 动词原形 You should drink more water every day.(你应该每天多喝水。) They should arrive at the airport two hours early.(他们应该提前两小时到机场。) Should I tell her the truth?(我应该告诉她真相吗?) 2. 表示责任或义务(ought to) 结构:ought to + 动词原形 Students ought to respect their teachers.(学生应该尊重老师。) We ought to protect the environment.(我们应该保护环境。) Ought he to apologize for his mistake?(他应该为自己的错误道歉吗?) 3. 表示 “本应该”(对过去的虚拟) 结构:should have + 过去分词(实际未做) You should have finished the homework yesterday.(你昨天本应该完成作业的。) He shouldn't have shouted at his mother.(他本不应该对妈妈大喊大叫。) We ought to have helped him when he was in trouble.(他遇到困难时我们本应该帮助他。) 六、表示意愿或请求(will/would) will 表示现在的意愿或请求;would 表示过去的意愿或更委婉的请求。 1. 表示愿意做某事 结构:will/would + 动词原形 I will help you if you need it.(如果你需要,我会帮助你。) He said he would visit us next week.(他说下周会来看我们。) Will you join us for dinner?(你愿意和我们一起吃晚饭吗?) 2. 表示礼貌请求(would 更委婉) 结构:Would you like to...? / Would you mind...? Would you like a cup of tea?(你想喝杯茶吗?) Would you please pass me the book?(你能把书递给我吗?) Would you mind closing the window?(你介意关一下窗户吗?) 3. 表示习惯性动作(would 表过去习惯,will 表现在习惯) He will often read books before bed.(他经常睡前读书。) When I was a child, I would go fishing with my father.(小时候,我常和爸爸去钓鱼。) She will always forget her keys.(她总是忘记带钥匙。) 七、表示必要性(need/dare) need 表示 “需要”,否定式 needn't(不必); dare 表示 “敢于”,否定式 daren't(不敢),两者多用于否定句或疑问句。 1. 作为情态动词(多用于否定 / 疑问) 结构:need/dare + 动词原形(否定:needn't/daren't) Need I explain it again?(我需要再解释一遍吗?) You needn't worry about the result.(你不必担心结果。) Dare she speak in front of so many people?(她敢在这么多人面前讲话吗?) 2. 作为实义动词(可用于肯定句,后接 to do) 结构:need/dare to do(否定:don't/doesn't/didn't need/dare to do) He needs to buy a new bike.(他需要买一辆新自行车。) They didn't dare to tell the truth.(他们不敢说出真相。) She doesn't need to come early.(她不需要早来。) 3. “本不必”(needn't have done) 结构:needn't have + 过去分词(实际做了但没必要) You needn't have bought so many gifts.(你本不必买这么多礼物的。) We needn't have rushed; the meeting was delayed.(我们本不必着急,会议推迟了。) She needn't have apologized; it was my fault.(她本不必道歉,是我的错。) 一、单项选择 1.—The final examination is coming! —Yes, our headmaster tells us we ________ be too careful while taking exams. A.can’t B.shouldn’t C.needn’t D.mustn’t 2.—Can I take this book out of the library? —Yes, you ________. A.should B.must C.need D.can 3.Sanya is still hot, so you ________ swim in the sea. A.must B.should C.need D.can 4.I ____ work out the maths problem within an hour. It’s very difficult for me. A.can’t B.mustn’t C.shouldn’t D.needn’t 5.—________ you please tell me how to get to the post office? —Sorry, I’m not sure how to get there. A.Should B.Must C.Need D.Could 6.At that time people ________ not see the night sky as clearly as we do now. A.may B.can C.must D.could 7.Sophie ______ read both English and French when she was only five years old. A.can B.could C.may D.need 8.The door was closed, so no one ______ hear the noise. A.should B.could C.must D.may 9.—Dad, _________ you give me a ride to town now? If I take the bus, I’ll be late. —I’m I afraid I _________, Peter. The car is broken. A.could; can’t B.could; couldn’t C.should; shouldn’t D.should; needn’t 10.—Simon, you swim so well. Did you learn to swim when you are a child? —Oh. The fact is that I ________ swim until I was twenty. A.needn’t B.shouldn’t C.couldn’t D.mustn’t 11.—Some experts warns that AI __________ become a deadly (致命的) weapon of war in the future. —That’s worrying. A.can B.could C.might D.must 12.You’d better take an umbrella with you. ________ the weather forecast isn’t that accurate (准确的), and there ________ a rain tonight. A.Maybe; may be B.Maybe; maybe C.May be; may be D.May be; maybe 13.—Have you decided where to go for your summer holiday? —Not yet. We ________ go to Qingdao. It’s a good place for vacation. A.may B.should C.need D.must 14.—Tommy hasn’t replied to my last letter till now. —Forget it. He ________ be busy these days. A.would B.can C.may D.should 15.—________ I come in? —Sure. Come here and here’s a gift for you. A.Must B.May C.Do D.Should 16.—This pair of shoes ________ belong to Jack. He likes this kind very much. —It ________ be his. It’s too large for him. A.can; can’t B.may; needn’t C.must; mustn’t D.may; can’t 17.—Whose book is this ? —I’m not sure. It ________ be Mary’s. A.must B.can C.should D.may 18.—Julia, never throw objects from high-rise buildings. Even a small object ________ hurt people badly and even cause death. —Sorry, I won’t do that. A.need B.must C.may D.should 19.It ________ rain later. I decide to take an umbrella. A.should B.should not C.may D.may not 20.Since I ________ be late, so don’t wait for me to start the sports meeting ceremony. A.mustn’t B.can’t C.need D.may 21.—The weather report says there ________ be a big sandstorm tomorrow. —Then we ________ cancel the outdoor activities and stay indoors. A.can; would B.must; need C.might; should D.should; could 22.We ________ have an art festival next week. I heard some teachers talking about it. A.might B.need C.can’t D.shouldn’t 23.—What a beautiful paper cutting! Who made it? —I’m not sure. It ________ be Lily because she loves traditional Chinese art. A.might B.must C.can’t D.shouldn’t 24.All passengers _________ go through the safety check before they take a plane. A.must B.can C.might D.may 25.His heart disease is so serious that he ________ have an operation as soon as possible. A.must B.can C.could D.may 26.According to the notice, visitors ______ take photos in this work area. A.mustn’t B.needn’t C.oughtn’t D.couldn’t 27.You ______ talk loudly in the library. It’s a rule for everyone. A.must B.may C.mustn’t D.may not 28.—Does the sports watch belong to Mary? —It ________ be hers. She is the only one who wears the sports watch in our class. A.can’t B.might C.must D.could 29.—Bao Yinyin, a girl from Nantong, came first in the 100-metre hurdles at the Asian Youth Athletics Championships. —What an excellent girl! She ________ work very hard as well in her daily practice. A.may B.can C.could D.must 30.—Look at that. Whose book is it? —It ________ be Zhang Ming’s. There are ZM on its cover. A.can B.should C.may D.must 31.—Can we play ball games here? —Better not. If you ________, please go to the open space over there. A.can B.may C.must D.will 32.—Can I go to the concert this Sunday, Mom? —The final exam is coming. If you ________, please prepare well for the exam on Saturday. A.need B.may C.must D.should 33.—________ we go to play basketball on Saturday? — All right. A.Must B.Should C.Shall D.Have 34.—What does the sign over there say? —“No person ________ bring drinks into the student computer room.” A.will B.may C.shall D.must 35.If you have a stomachache, you ________ eat too much. A.should B.shouldn’t C.need D.needn’t 36.Life ________ be only about grades and schoolwork. It’s necessary to find a balance between studying and enjoying oneself. A.must B.shouldn’t C.couldn’t D.can 37.The boy is only five years old. But he is able to write more than 500 English words. A.can B.must C.shall D.will 38.—Try this soup. I’m sure you ________ like it.   —Wow! It is delicious. A.must B.will C.shall D.can 39.—Don’t play the dangerous game. —Sorry! I ________ do it. A.won’t B.don’t C.can’t D.mustn’t 40.—________ you like some tea? —Yes, please. A.Need B.May C.Would D.Can 41.—________ you like to come to my party? —Yes, I’d love to. A.Do B.Would C.Are D.Can 42.Only an arm’s length away, but he still ________ reach the crayfish. A.shouldn’t B.mustn’t C.wouldn’t D.couldn’t 43.—Must we bring our own lunch for the field trip, Ms. Brown? —No, you ________. The school will provide meals. A.can’t B.needn’t C.mustn’t D.shouldn’t 44.—Jim, we ________ buy Mom presents. We can clean the house from top to bottom. —Good idea! It’s a special present for Mother’s Day. A.can’t B.mustn’t C.shouldn’t D.needn’t 45.—It takes me a long time to carry out the experiment and I haven’t finish the report. —Take your time. You ________ finish it today. It’s fine if we hand it in tomorrow. A.can’t B.mustn’t C.needn’t D.shouldn’t 46.All the children knew who broke the window, but they________ point out. A.daren’t B.daren’t to C.dare D.dare to 47.—Can you come to my party on Saturday afternoon? —I’m sorry, I ________ look after my grandmother. She is ill. A.can B.may C.would D.have to 48.—Linda, can you go out with me now? —I am afraid I ________ do the dishes first. A.can B.have to C.could D.may 49.—Mom, I don’t want to go to school with that uniform (校服). —But you ________, honey. It’s a rule, you know that. A.have to B.can C.may D.can’t 50.—Tina, I need your help. I have trouble ________ math.   —Well, you’d better ________ to the teacher very carefully in class. A.learning; listen B.learning; to listen C.learn; listen D.learn; to listen 51.He ________ interrupt the speaker during the presentation—It’s extremely rude. A.won’t B.had better not C.needn’t D.don’t have to 52.—Jim, you’d better __________ outside until the heavy rain stops. —OK, Mum. I’ll do some reading at home. A.play B.not play C.to play D.not to play 53.—You’d better ________ out at eight. There may be wild animals. —No, I won’t. A.don’t B.not go C.not to go D.to go 54.—Would the fisherman ________ in saving himself from the genie in the bottle? —Hopefully. A.succeed B.success C.successful D.successfully 55.When trouble _________ you, you shouldn’t _________ it all the time. A.worries; worried about B.worries about; worry about C.worries; be worried about D.worries about; be worried about 56.Listen! The birds ______ sweetly among the flowers. Can you ______ the flowers? Spring is coming! A.are singing; smell B.sing; smelling C.sang; smell D.are singing; smells 57.You________do such kind of experiments without the teacher’s permission. It’s dangerous. A.oughtn’t to B.might not C.need to D.would rather 58.Everyone ________ remember to turn off the lights before leaving the office. A.ought to B.may C.can D.need 59.“It’s getting late—I really ________ to go home now.” Sally said to Lucy. A.may B.should C.can D.ought 二、完成句子 60.请问我在哪能找到这本书? Could you tell me find the book? 61.我们没查出电脑为什么死机。 We couldn’t why the computer crashed. 62.我们不应该嘲笑他们的错误。 We shouldn’t their mistakes. 63.你能倒一下垃圾,再叠一下衣服吗? Could you the and fold the clothes? 64.新鲜的蔬菜对我们有益,能给我们提供丰富和必需的维生素。 Fresh vegetables are good for us and rich and necessary vitamins for us. 65.我们应该对别人友善。 We should others. 66.我们应该更加关注生活中的美好事物。 We should   good things more in our life. 67.你能帮我搬这个重箱子吗? Can you with this heavy box? 68.你必须马上穿过森林。 You must the forest at once. 69.你最好在考试前复习一下你的笔记。 You’d your notes before the exam. 70.你能倒一下垃圾吗? please take out the rubbish? 71.为了保护我们的个人信息,我们最好远离诈骗(scam)网站。 To protect our personal information, we had better scam websites. 72.我们不应该到处扔垃圾以及打断别人谈话。 We shouldn’t everywhere or on others. 73.人工智能可以在工作或学习中给你提供帮助。 AI can in your work or study. 74.我们应该照顾好自己的身体。 We should of our bodies well. 75.他的话能让我振奋起来。 His words can . 4 / 4 学科网(北京)股份有限公司 $$ 2025年秋新九年级英语语法重难点释疑与巩固 09.情态动词的高频用法 情态动词 高频用法 肯定句示例 否定句 / 疑问句示例 说明 can/could 1. 表能力(过去式 could) 2. 表请求或允许(could 更委婉) 3. 否定句 / 疑问句表推测 I can speak English. Could you help me? Can he swim? He can't be at home.(否定推测:不可能) could 可用于虚拟语气,如 If I could fly... may/might 1. 表请求许可(比 can 更正式) 2. 表推测(可能性较小,might 更不确定) May I use your pen? It may rain tomorrow. Might he come late? You may not enter without permission. may/might not 表 “可能不”,否定推测时用 can't(不可能)更强烈 must 1. 表必要性或义务(“必须”) 2. 肯定句中表推测(“一定”,可能性极高) We must wear masks. He must be tired. Must I finish it now? Mustn't(禁止):You mustn't smoke here. must 提问时,否定回答用 needn't 或 don't have to(不必) should 1. 表建议、义务或责任(“应该”) 2. 用于纠正或批评 You should study harder. Should I call him? You shouldn't waste time. 常与 ought to(应该)互换,但 ought to 语气稍弱,后接 to do need 1. 作情态动词:用于否定句 / 疑问句,表 “需要” 2. 作实义动词:need to do(肯定句) — Need he come early? You needn't worry. 实义动词用法:He needs to buy a book.(否定 / 疑问需加助动词:doesn't need to) will/would 1. 表意愿、请求(would 更委婉) 2. 表习惯性动作(“总是”) 3. 表过去将来 I will help you. Would you like some tea? Will it rain tomorrow? He wouldn't listen to me. would 用于虚拟语气或过去习惯,如 He would go fishing every weekend.(过去常做) 情态动词表示说话人的语气或态度,本身有一定含义,但不能单独作谓语,需与动词原形搭配使用。 一、表示能力(can/could) can 表示现在的能力,could 表示过去的能力(或委婉请求)。否定式:can't/cannot(不能)/couldn't(过去不能)。 1. 表示现在具备的能力 结构:can + 动词原形 She can speak three languages.(她会说三种语言。) Can you swim?(你会游泳吗?) We can finish the task before lunch.(我们能在午饭前完成任务。) 2. 表示过去具备的能力 结构:could + 动词原形 He could ride a bike at the age of five.(他五岁时就会骑自行车。) They couldn't find the way home yesterday.(他们昨天找不到回家的路。) When I was young, I could climb trees easily.(我小时候能轻松爬树。) 3. 表示委婉请求(could 比 can 更礼貌) 结构:Could you + 动词原形...? Could you help me carry the box?(你能帮我搬这个箱子吗?) Could I borrow your pen?(我能借你的钢笔吗?) Could we leave a bit earlier?(我们能早一点离开吗?) 二、表示许可(can/could/may/might) can/may 表示现在或将来的许可(may 更正式); could/might 表示过去的许可或委婉请求(语气更弱)。 1. 表示允许他人做某事 结构:Can/May + 主语 + 动词原形...? May I use your dictionary?(我可以用你的字典吗?) Can we go out for a walk after dinner?(晚饭后我们能出去散步吗?) You may leave now if you finish the work.(如果你完成工作,现在可以离开。) 2. 表示过去的许可(常用于否定) 结构:couldn't/might not + 动词原形 They couldn't enter the room because it was locked.(他们进不了房间,因为门锁了。) Students might not bring phones to school in the past.(过去学生可能不能带手机到学校。) He could not stay out late when he was a teenager.(他青少年时不能在外面待到很晚。) 3. 表示礼貌请求(might 比 may 更委婉) 结构:Might/Could you + 动词原形...? Might I ask you a question?(我能问你一个问题吗?) Could you please tell me the way to the station?(你能告诉我去车站的路吗?) Might we have a look at your new book?(我们能看看你的新书吗?) 三、表示义务或必须(must/have to) must 表示主观上的 “必须”,否定式 mustn't 表示 “禁止”; have to 表示客观上的 “不得不”,否定式 don't/doesn't/didn't have to 表示 “不必”。 1. 主观上的必须(must) 结构:must + 动词原形 We must study hard for the exam.(我们必须为考试努力学习。) You mustn't smoke here.(你禁止在这里吸烟。) Must I finish the work today?(我必须今天完成工作吗?) 2. 客观上的不得不(have to) 结构:have/has to + 动词原形(过去式:had to) She has to take the bus to school because her bike is broken.(她不得不乘公交上学,因为自行车坏了。) They had to cancel the trip due to the bad weather.(由于天气不好,他们不得不取消旅行。) Do you have to leave so soon?(你必须这么快离开吗?) 3. 表示 “不必”(don't have to = needn't) 结构:don't/doesn't/didn't have to + 动词原形 You don't have to come early tomorrow.(你明天不必早来。) We didn't have to wait for hours; the bus came quickly.(我们不必等几个小时,公交车很快就来了。) She needn't worry about the exam; she's well-prepared.(她不必担心考试,准备得很充分。) 四、表示推测(must/may/might/can't) must(肯定推测,“一定”);may/might(可能性推测,“可能”,might 可能性更低); can't(否定推测,“不可能”)。 1. 肯定推测(用于肯定句) 结构:must/may/might + 动词原形(对现在的推测) The light is on; he must be at home.(灯亮着,他一定在家。) She may come to the party tonight.(她今晚可能来参加派对。) They might arrive a bit late due to traffic.(他们可能因交通堵塞晚到一会儿。) 2. 否定推测(can't 表示 “不可能”,mustn't 不表推测) 结构:can't + 动词原形 That can't be true; he never lies.(那不可能是真的,他从不撒谎。) The boy can't be Jim; he's much taller.(这个男孩不可能是吉姆,他高多了。) It can't rain today; the sky is clear.(今天不可能下雨,天空很晴朗。) 3. 对过去的推测 结构:must/may/might + have + 过去分词(肯定);can't + have + 过去分词(否定) He must have finished the work yesterday.(他昨天一定完成了工作。) They might have missed the train.(他们可能没赶上火车。) She can't have seen me because I wasn't there.(她不可能见过我,因为我当时不在那里。) 五、表示建议或责任(should/ought to) should 表示 “应该”(主观建议);ought to 表示 “应该”(客观责任,语气更正式)。 否定式:shouldn't(不应该);oughtn't to(较少用)。 1. 表示建议(should 更常用) 结构:should + 动词原形 You should drink more water every day.(你应该每天多喝水。) They should arrive at the airport two hours early.(他们应该提前两小时到机场。) Should I tell her the truth?(我应该告诉她真相吗?) 2. 表示责任或义务(ought to) 结构:ought to + 动词原形 Students ought to respect their teachers.(学生应该尊重老师。) We ought to protect the environment.(我们应该保护环境。) Ought he to apologize for his mistake?(他应该为自己的错误道歉吗?) 3. 表示 “本应该”(对过去的虚拟) 结构:should have + 过去分词(实际未做) You should have finished the homework yesterday.(你昨天本应该完成作业的。) He shouldn't have shouted at his mother.(他本不应该对妈妈大喊大叫。) We ought to have helped him when he was in trouble.(他遇到困难时我们本应该帮助他。) 六、表示意愿或请求(will/would) will 表示现在的意愿或请求;would 表示过去的意愿或更委婉的请求。 1. 表示愿意做某事 结构:will/would + 动词原形 I will help you if you need it.(如果你需要,我会帮助你。) He said he would visit us next week.(他说下周会来看我们。) Will you join us for dinner?(你愿意和我们一起吃晚饭吗?) 2. 表示礼貌请求(would 更委婉) 结构:Would you like to...? / Would you mind...? Would you like a cup of tea?(你想喝杯茶吗?) Would you please pass me the book?(你能把书递给我吗?) Would you mind closing the window?(你介意关一下窗户吗?) 3. 表示习惯性动作(would 表过去习惯,will 表现在习惯) He will often read books before bed.(他经常睡前读书。) When I was a child, I would go fishing with my father.(小时候,我常和爸爸去钓鱼。) She will always forget her keys.(她总是忘记带钥匙。) 七、表示必要性(need/dare) need 表示 “需要”,否定式 needn't(不必); dare 表示 “敢于”,否定式 daren't(不敢),两者多用于否定句或疑问句。 1. 作为情态动词(多用于否定 / 疑问) 结构:need/dare + 动词原形(否定:needn't/daren't) Need I explain it again?(我需要再解释一遍吗?) You needn't worry about the result.(你不必担心结果。) Dare she speak in front of so many people?(她敢在这么多人面前讲话吗?) 2. 作为实义动词(可用于肯定句,后接 to do) 结构:need/dare to do(否定:don't/doesn't/didn't need/dare to do) He needs to buy a new bike.(他需要买一辆新自行车。) They didn't dare to tell the truth.(他们不敢说出真相。) She doesn't need to come early.(她不需要早来。) 3. “本不必”(needn't have done) 结构:needn't have + 过去分词(实际做了但没必要) You needn't have bought so many gifts.(你本不必买这么多礼物的。) We needn't have rushed; the meeting was delayed.(我们本不必着急,会议推迟了。) She needn't have apologized; it was my fault.(她本不必道歉,是我的错。) 一、单项选择 1.—The final examination is coming! —Yes, our headmaster tells us we ________ be too careful while taking exams. A.can’t B.shouldn’t C.needn’t D.mustn’t 2.—Can I take this book out of the library? —Yes, you ________. A.should B.must C.need D.can 3.Sanya is still hot, so you ________ swim in the sea. A.must B.should C.need D.can 4.I ____ work out the maths problem within an hour. It’s very difficult for me. A.can’t B.mustn’t C.shouldn’t D.needn’t 5.—________ you please tell me how to get to the post office? —Sorry, I’m not sure how to get there. A.Should B.Must C.Need D.Could 6.At that time people ________ not see the night sky as clearly as we do now. A.may B.can C.must D.could 7.Sophie ______ read both English and French when she was only five years old. A.can B.could C.may D.need 8.The door was closed, so no one ______ hear the noise. A.should B.could C.must D.may 9.—Dad, _________ you give me a ride to town now? If I take the bus, I’ll be late. —I’m I afraid I _________, Peter. The car is broken. A.could; can’t B.could; couldn’t C.should; shouldn’t D.should; needn’t 10.—Simon, you swim so well. Did you learn to swim when you are a child? —Oh. The fact is that I ________ swim until I was twenty. A.needn’t B.shouldn’t C.couldn’t D.mustn’t 11.—Some experts warns that AI __________ become a deadly (致命的) weapon of war in the future. —That’s worrying. A.can B.could C.might D.must 12.You’d better take an umbrella with you. ________ the weather forecast isn’t that accurate (准确的), and there ________ a rain tonight. A.Maybe; may be B.Maybe; maybe C.May be; may be D.May be; maybe 13.—Have you decided where to go for your summer holiday? —Not yet. We ________ go to Qingdao. It’s a good place for vacation. A.may B.should C.need D.must 14.—Tommy hasn’t replied to my last letter till now. —Forget it. He ________ be busy these days. A.would B.can C.may D.should 15.—________ I come in? —Sure. Come here and here’s a gift for you. A.Must B.May C.Do D.Should 16.—This pair of shoes ________ belong to Jack. He likes this kind very much. —It ________ be his. It’s too large for him. A.can; can’t B.may; needn’t C.must; mustn’t D.may; can’t 17.—Whose book is this ? —I’m not sure. It ________ be Mary’s. A.must B.can C.should D.may 18.—Julia, never throw objects from high-rise buildings. Even a small object ________ hurt people badly and even cause death. —Sorry, I won’t do that. A.need B.must C.may D.should 19.It ________ rain later. I decide to take an umbrella. A.should B.should not C.may D.may not 20.Since I ________ be late, so don’t wait for me to start the sports meeting ceremony. A.mustn’t B.can’t C.need D.may 21.—The weather report says there ________ be a big sandstorm tomorrow. —Then we ________ cancel the outdoor activities and stay indoors. A.can; would B.must; need C.might; should D.should; could 22.We ________ have an art festival next week. I heard some teachers talking about it. A.might B.need C.can’t D.shouldn’t 23.—What a beautiful paper cutting! Who made it? —I’m not sure. It ________ be Lily because she loves traditional Chinese art. A.might B.must C.can’t D.shouldn’t 24.All passengers _________ go through the safety check before they take a plane. A.must B.can C.might D.may 25.His heart disease is so serious that he ________ have an operation as soon as possible. A.must B.can C.could D.may 26.According to the notice, visitors ______ take photos in this work area. A.mustn’t B.needn’t C.oughtn’t D.couldn’t 27.You ______ talk loudly in the library. It’s a rule for everyone. A.must B.may C.mustn’t D.may not 28.—Does the sports watch belong to Mary? —It ________ be hers. She is the only one who wears the sports watch in our class. A.can’t B.might C.must D.could 29.—Bao Yinyin, a girl from Nantong, came first in the 100-metre hurdles at the Asian Youth Athletics Championships. —What an excellent girl! She ________ work very hard as well in her daily practice. A.may B.can C.could D.must 30.—Look at that. Whose book is it? —It ________ be Zhang Ming’s. There are ZM on its cover. A.can B.should C.may D.must 31.—Can we play ball games here? —Better not. If you ________, please go to the open space over there. A.can B.may C.must D.will 32.—Can I go to the concert this Sunday, Mom? —The final exam is coming. If you ________, please prepare well for the exam on Saturday. A.need B.may C.must D.should 33.—________ we go to play basketball on Saturday? — All right. A.Must B.Should C.Shall D.Have 34.—What does the sign over there say? —“No person ________ bring drinks into the student computer room.” A.will B.may C.shall D.must 35.If you have a stomachache, you ________ eat too much. A.should B.shouldn’t C.need D.needn’t 36.Life ________ be only about grades and schoolwork. It’s necessary to find a balance between studying and enjoying oneself. A.must B.shouldn’t C.couldn’t D.can 37.The boy is only five years old. But he is able to write more than 500 English words. A.can B.must C.shall D.will 38.—Try this soup. I’m sure you ________ like it.   —Wow! It is delicious. A.must B.will C.shall D.can 39.—Don’t play the dangerous game. —Sorry! I ________ do it. A.won’t B.don’t C.can’t D.mustn’t 40.—________ you like some tea? —Yes, please. A.Need B.May C.Would D.Can 41.—________ you like to come to my party? —Yes, I’d love to. A.Do B.Would C.Are D.Can 42.Only an arm’s length away, but he still ________ reach the crayfish. A.shouldn’t B.mustn’t C.wouldn’t D.couldn’t 43.—Must we bring our own lunch for the field trip, Ms. Brown? —No, you ________. The school will provide meals. A.can’t B.needn’t C.mustn’t D.shouldn’t 44.—Jim, we ________ buy Mom presents. We can clean the house from top to bottom. —Good idea! It’s a special present for Mother’s Day. A.can’t B.mustn’t C.shouldn’t D.needn’t 45.—It takes me a long time to carry out the experiment and I haven’t finish the report. —Take your time. You ________ finish it today. It’s fine if we hand it in tomorrow. A.can’t B.mustn’t C.needn’t D.shouldn’t 46.All the children knew who broke the window, but they________ point out. A.daren’t B.daren’t to C.dare D.dare to 47.—Can you come to my party on Saturday afternoon? —I’m sorry, I ________ look after my grandmother. She is ill. A.can B.may C.would D.have to 48.—Linda, can you go out with me now? —I am afraid I ________ do the dishes first. A.can B.have to C.could D.may 49.—Mom, I don’t want to go to school with that uniform (校服). —But you ________, honey. It’s a rule, you know that. A.have to B.can C.may D.can’t 50.—Tina, I need your help. I have trouble ________ math.   —Well, you’d better ________ to the teacher very carefully in class. A.learning; listen B.learning; to listen C.learn; listen D.learn; to listen 51.He ________ interrupt the speaker during the presentation—It’s extremely rude. A.won’t B.had better not C.needn’t D.don’t have to 52.—Jim, you’d better __________ outside until the heavy rain stops. —OK, Mum. I’ll do some reading at home. A.play B.not play C.to play D.not to play 53.—You’d better ________ out at eight. There may be wild animals. —No, I won’t. A.don’t B.not go C.not to go D.to go 54.—Would the fisherman ________ in saving himself from the genie in the bottle? —Hopefully. A.succeed B.success C.successful D.successfully 55.When trouble _________ you, you shouldn’t _________ it all the time. A.worries; worried about B.worries about; worry about C.worries; be worried about D.worries about; be worried about 56.Listen! The birds ______ sweetly among the flowers. Can you ______ the flowers? Spring is coming! A.are singing; smell B.sing; smelling C.sang; smell D.are singing; smells 57.You________do such kind of experiments without the teacher’s permission. It’s dangerous. A.oughtn’t to B.might not C.need to D.would rather 58.Everyone ________ remember to turn off the lights before leaving the office. A.ought to B.may C.can D.need 59.“It’s getting late—I really ________ to go home now.” Sally said to Lucy. A.may B.should C.can D.ought 二、完成句子 60.请问我在哪能找到这本书? Could you tell me find the book? 61.我们没查出电脑为什么死机。 We couldn’t why the computer crashed. 62.我们不应该嘲笑他们的错误。 We shouldn’t their mistakes. 63.你能倒一下垃圾,再叠一下衣服吗? Could you the and fold the clothes? 64.新鲜的蔬菜对我们有益,能给我们提供丰富和必需的维生素。 Fresh vegetables are good for us and rich and necessary vitamins for us. 65.我们应该对别人友善。 We should others. 66.我们应该更加关注生活中的美好事物。 We should   good things more in our life. 67.你能帮我搬这个重箱子吗? Can you with this heavy box? 68.你必须马上穿过森林。 You must the forest at once. 69.你最好在考试前复习一下你的笔记。 You’d your notes before the exam. 70.你能倒一下垃圾吗? please take out the rubbish? 71.为了保护我们的个人信息,我们最好远离诈骗(scam)网站。 To protect our personal information, we had better scam websites. 72.我们不应该到处扔垃圾以及打断别人谈话。 We shouldn’t everywhere or on others. 73.人工智能可以在工作或学习中给你提供帮助。 AI can in your work or study. 74.我们应该照顾好自己的身体。 We should of our bodies well. 75.他的话能让我振奋起来。 His words can . 参考答案 一、 1.A 【解析】句意:——期末考试快到了!——是的,我们的校长告诉我们,考试的时候越小心越好。 考查情态动词。can’t不能;shouldn’t不应该;needn’t不需要;mustn’t禁止。can’t be too ...为固定句型,意为“越……越好,再……都不为过”,符合句意,故选A。 2.D 【解析】句意:——我可以把这本书带出图书馆吗?——是的,你可以。 考查动词辨析。should应该;must必须;need需要;can可以,能够。根据“Can I take this book out of the library?”可知,此处问“可以不可以”,回答为肯定回答,故选D。 3.D 【解析】句意:三亚仍然很温暖,所以你可以在海里游泳。 考查情态动词。must必须;should应该;need需要;can可以。根据“Sanya is still hot,”可知,三亚很温暖,所以你“可以”在海里游泳,can符合题意。故选D。 4.A 【解析】句意:我一小时内解不出这道数学题。这对我来说太难了。 考查情态动词。can’t不能;mustn’t禁止;shouldn’t不应该;needn’t不需要。根据“It’s very difficult for me”可知,此处表示不能解出这道数学题,can’t“不能”符合句意。故选A。 5.D 【解析】句意:——你能告诉我如何到达邮局吗?——对不起,我不确信如何到达那里。 考查情态动词用法。Should应该;Must必须;Need需要;Could能。根据“Sorry, I’m not sure how to get there.”可知,这是一个礼貌请求的场景,需用Could you please...?句型。故选D。 6.D 【解析】句意:那个时候人们不能像我们一样清楚地看见夜空 考查情态动词。may可能;can能;must必须;could能。根据“at that time”可知,本句叙述的是过去的事情,要用一般过去时,can的过去式是could。故选D 7.B 【解析】句意:Sophie五岁时就能阅读英语和法语。 考查情态动词用法。can能,表示现在具备的能力;could能,表婉转或过去具备的能力;may可能;need需要。根据“read both English and French when she was only five years old.”可知,空处强调过去具备阅读英语和法语的能力,需can的过去式could。故选B。 8.B 【解析】句意:门关着,所以没人能听到吵闹声。 考查情态动词辨析。should应该;could能够;must必须;may也许。根据题干可知,由于门是关着的,所以没有人能够听到吵闹声。故选B。 9.A 【解析】句意:——爸爸,你现在能载我去镇上吗?如果我乘公共汽车,我会迟到的。——我恐怕我不能,彼得。汽车坏了。 考查情态动词辨析。could能,表示委婉请求;can’t不能;couldn’t不能,过去式;should应该;shouldn’t不应该;needn’t不需要。第一空根据“Dad, …you give me a ride to town now?”可知,此处表示请求爸爸送他,应用could;第二空根据“I’m I afraid I …, Peter. The car is broken.”可知,此处爸爸表示车子坏了,所以不能送他,问句“Could you…?”表示请求,回答时仍用can,这里表示不能。故选A。 10.C 【解析】句意:——Simon,你游得真好。你是小时候学的游泳吗?——哦,事实是我直到二十岁才会游泳。 考查情态动词。needn’t不需要;shouldn’t不应该; couldn’t不能;mustn’t禁止。“not…until…”是“直到……才……”的意思,所以主句需要否定形式。couldn’t“不能”,表示过去的能力否定,符合句意。故选C。 11.B 【解析】句意:——一些专家警告说,人工智能在未来可能会成为一种致命的战争武器。——那很令人担忧。 考查情态动词辨析。can能,会,表示能力或可能性,常用于肯定句中描述客观的可能性;could是can的过去式,也可用于表示比can更弱的可能性或委婉语气;might可能,表示可能性较小;must必须,一定,表示肯定的推测,语气非常强烈。根据“Some experts warns”以及“That’s worrying”可知,这里是专家对未来的一种推测,且这种推测的可能性并不是很大 ,所以用could,故选B。 12.A 【解析】句意:你最好带把伞。也许天气预报没那么准确,今晚可能会下雨。 考查maybe和may be用法辨析。maybe也许,副词,放在句首;may be可能是,是情态动词may和be动词的组合,放在句中。第一个空位于句首,用副词maybe;第二个空句中缺少谓语,用may be。故选A。 13.A 【解析】句意:——你已经决定去哪里度暑假了吗?——还没有。我们可能去青岛。那是一个度假的好地方。 考查情态动词。may可能;should应该;need需要;must必须。根据“Not yet”可知,此处表示还没有决定,因此是没有把握的推测,用情态动词may,故选A。 14.C 【解析】句意:——汤米到现在还没回复我上一封信。——别在意。他这段时间也许很忙。 考查情态动词辨析。would将要;can能够;may也许,可能;should应该。根据“He…be busy these days.”并结合语境可知,这里需要表达一种不确定的推测,表示对Tommy未回信原因的合理猜测,情态动词may“可能”符合句意。故选C。 15.B 【解析】句意:——我可以进来吗?——当然。过来,这是给你的礼物。 考查情态动词辨析。Must必须;May可以;Do助动词;Should应该。根据“I come in?”可知,此处是请求许可的礼貌用语,需用“May”表示“可以/能否”。故选B。 16.D 【解析】句意:——这双鞋可能是杰克的。他非常喜欢这种款式。——不可能是他的。对他来说太大了。 考查情态动词。can可以;can’t不可能;may可能;needn’t不必;must必须;mustn’t禁止。根据“belong to Jack. He likes this kind very much.”可知第一个空是猜测这双鞋可能是杰克的,用may表示推测;根据“It’s too large for him.”可知这双鞋太大了,不可能是他的,第二个空表示否定推测用can’t。故选D。 17.D 【解析】句意:——这是谁的书?——我不确定。可能是玛丽的。 考查情态动词。must一定,表示非常肯定的推测;can可以,用于推测时,通常用于否定句或疑问句中;should应该;may可能,表示不确定的推测。根据“I’m not sure.”可知,此处表示不确定的推测。故选D。 18.C 【解析】句意:——朱莉娅,永远不要从高楼扔东西。即使是一个小物件也可能会严重伤害到人,甚至致人死亡。——对不起,我不会再那样做了。 考查情态动词辨析。need需要;must必须;may可能;should应当。根据“Even a small object”以及“hurt people badly and even cause death.”可知,即使一个小物件,可能会伤人甚至致死。表示一种“可能”。故选C。 19.C 【解析】句意:一会儿可能下雨。我决定带把伞。 考查情态动词。should应该;should not不应该;may可能;may not可能不。根据“I decide to take an umbrella.”可知,有可能下雨,因此要带把伞,故选C。 20.D 【解析】句意:因为我可能会迟到,所以开始运动会开幕式时别等我。 考查动词辨析。mustn’t禁止;can’t不可能;need需要;may可能。根据“so don’t wait for me to start the sports meeting ceremony”可知,说话人不确定自己是否会迟到,此处表示推测。故选D。 21.C 【解析】句意:——天气预报说明天可能会有一场大沙尘暴。——那我们应该取消户外活动,待在室内。 考查情态动词辨析。can能;would将会;must一定;need需要;might可能;should应该;could能够。根据“The weather report says”可知,明天有大沙尘暴是不确定的推测,第一个空用might;结合语境,因为可能有沙尘暴,所以“应该”取消户外活动,第二个空用should。故选C。 22.A 【解析】句意:我们下周可能有个艺术节。我听到一些老师在讨论。 考查情态动词用法。might可能;need需要;can’t不能;shouldn’t不应该。根据“I heard some teachers talking about it.”可知,空处表示不确定的推测,might符合句意。故选A。 23.A 【解析】句意:——多么漂亮的一幅剪纸啊!谁做的?——我不确定。它可能是莉莉做的,因为她喜欢中国传统艺术。 考查情态动词辨析。might可能;must一定;can’t不能;shouldn’t不应该。根据“I’m not sure.”可知,这里表示不确定且推测。故选A。 24.A 【解析】句意:所有乘客在乘坐飞机前必须通过安全检查。 考查情态动词。must必须;can可以,能够;might可能;may可以,可能。根据“All passengers...go through the safety check before they take a plane.”可知,安检是强制性要求,需用表示“必须”的情态动词。故选A。 25.A 【解析】句意:他的心脏病非常严重,因此必须尽快接受手术。 考查情态动词辨析。must必须;can能够;could能够(can的过去式);may可以。根据“His heart disease is so serious”可知,他病情严重,必须立即采取手术。故选A。 26.A 【解析】句意:根据通知,访客禁止在这个工作区拍照。 考查情态动词辨析。mustn’t禁止,常用于规章制度;needn’t不必,表示没有必要;oughtn’t不应该,表示道义上的不恰当;couldn’t不能,表示能力或可能性上的无法做到。根据“According to the notice”可知,此处是“通知”,提示这是正式禁令。故选A。 27.C 【解析】句意:你不能在图书馆大声说话。这是对每个人的规定。 考查情态动词用法。must必须;may可以;mustn’t禁止,不能;may not可能不。根据“You...talk loudly in the library.”可知图书馆有禁止喧哗的规定,需用表禁止的mustn’t。故选C。 28.C 【解析】句意:——这块运动手表是玛丽的吗?——它一定是她的。她是我们班唯一一个戴运动手表的人。 考查情态动词辨析。can’t不可能,表示否定推测;might可能,表示不确定的推测;must一定,表示肯定推测;could能,会,表示可能性。根据下文“She is the only one who wears the sports watch in our class.(她是我们班唯一一个戴运动手表的人)”可知,此处是在进行肯定推测,认为这块运动手表一定是玛丽的,所以应该用must。故选C。 29.D 【解析】句意:——在亚洲青年田径锦标赛上,来自南通的女孩包银银获得了100米栏冠军。——真是个优秀的女孩!她在日常练习中也一定非常努力。 考查动词辨析。may也许;can可以;could可以;must一定。根据“What an excellent girl! She ... work very hard as well in her daily practice.”可知, 她在日常练习中也一定非常努力,表示非常肯定的推测。故选D。 30.D 【解析】句意:——看那个。这是谁的书?——它一定是Zhang Ming的。封面上有“ZM”。 考查情态动词。can能够;should应该;may可能;must一定。根据“There are ZM on its cover.”可知,“ZM”是Zhang Ming名字的首字母,推测这本书一定是Zhang Ming的,应用must表示很有把握的肯定推测。故选D。 31.C 【解析】句意:——我们可以在这里打球吗?——最好不要。如果你非要去,请去那边的空地。 考查情态动词。can可以;may可能;must必须,非得;will将。根据“please go to the open space over there.”可知是如果非要打球,去那边的空地打。故选C。 32.C 【解析】句意:——这个星期天我能去听音乐会吗,妈妈?——期末考试快到了。如果一定要去的话,请为星期六的考试做好准备。 考查动词辨析。need需要;may也许;must一定;should应该。根据“If you..., please prepare well for the exam on Saturday.”可知,如果一定要去的话,要为考试做好准备,故选C。 33.C 【解析】句意:——我们周六去打篮球好吗?——好的。 考查情态动词辨析。Must必须;Should应该;Shall用于第一人称,表示征求对方的意见或向对方提出请求;Have有。根据答语“All right.”可知,此处是征求对方的意见,所以应该用shall,且shall用于第一人称。故选C。 34.C 【解析】句意:——那边的标志牌说了什么?——任何人都不允许带饮料进学生电脑室。 考查动词辨析和情态动词shall。will表示意愿;may表示可能性;shall表示允许,用于第二、三人称,表示说话人给对方的许诺、命令、警告、威胁等;must表示一定,必须。根据空格后“No person…bring drinks into the student computer room.”可知,此处表达命令、禁止,所以用shall。故选C。 35.B 【解析】句意:如果你胃痛,你不应该吃太多。 考查情态动词辨析。should应该;shouldn’t不应该;need需要;needn’t不需要。根据“If you have a stomachache,”可知,胃痛时不应该吃太多。故选B。 36.B 【解析】句意:生活不应该仅仅只关乎成绩和功课。在学习和自我享受之间找到平衡是很有必要的。 考查情态动词辨析。must必须、一定;shouldn’t不应该;couldn’t不能、不可能;can能、可以。根据“It’s necessary to find a balance between studying and enjoying oneself.”可知,生活“不应该”只围绕成绩和功课。B选项符合语境。故选B。 37.A 【解析】句意:这个男孩只有五岁。但是他能写超过500个英文单词。 考查情态动词。can能够(表示能力或请求);must必须;shall必须,应该,可以,将要;will将要。连词but前后,but前表示他只有五岁,but后表示他会写超过500个英文单词,be able to=can“能”,故选A。 38.B 【解析】句意:——尝尝这汤。我相信你会喜欢它的。——哇!它是美味的。 考查情态动词辨析。must一定(用于肯定推测),必须(表示主观看法);will可能,会(表示推测,估计);shall应该(用于一三人称疑问句表示请求,用于二三人称肯定句表示命令);can能(表示现在的能力)。根据“I’m sure you…like it. ”可知,此处指的是想让别人尝一下,表示尝完可能就喜欢上它了,表示一种推测。故选B。 39.A 【解析】句意:——不要玩危险的游戏。——对不起!我不会做了。 考查动词辨析。won’t将不会;don’t不要;can’t不能;mustn’t禁止。根据“Don’t play the dangerous game.”可知,此处是指不会再这样做了,表示意愿,应用won’t。故选A。 40.C 【解析】句意:——你想要些茶吗?——好的,麻烦了。 考查情态动词。Need需要;May可以;Would愿意;Can能,会。根据答语“Yes, please”和“you like …”可知,此处考查“Would you like...?”句型,常用来询问对方意愿,这里是询问对方是否要喝点茶。故选C。 41.B 【解析】句意:—— 你愿意来参加我的聚会吗?—— 是的,我很乐意。 考查would用法。Do助动词,无实际意义,用于构成一般现在时的一般疑问句;Would想要,愿意 ;Are是;Can能、可以、会,情态动词。答语“Yes, I’d love to.”是“I would love to”的缩写,“would like to do sth.”是固定短语,意思是“想要做某事”,“Would you like to do sth.?”是常用的表示邀请的句型,其肯定回答就是“Yes, I’d love to.”。故选B。 42.D 【解析】句意:只有一臂之遥,但他仍然无法触及小龙虾。 考查情态动词。shouldn’t不应该;mustn’t不准;wouldn’t将不;couldn’t不能。根据“Only an arm’s length away”可知,差一个手臂的距离,所以不能够到,此处为一般过去时,couldn’t“不能”符合句意,故选D。 43.B 【解析】 句意:——布朗女士,我们必须为实地考察自带午餐吗?——不,你们不必。学校会提供餐食。    考查情态动词辨析。can’t不能,不可能;needn’t不必;mustn’t禁止,绝对不能;shouldn’t不应该。根据“Must we...?”的提问,否定回答需用“needn’t”,符合“学校提供餐食,无需自带”的语境。故选B。 44.D 【解析】句意:——吉姆,我们不需要给妈妈买礼物。我们可以把房子彻底打扫干净。——好主意!这是母亲节的特别礼物。 考查情态动词。can’t不能;mustn’t禁止;shouldn’t不应该;needn’t不需要。根据“We can clean the house from top to bottom.”可知,打扫房子是买礼物的替代方案,不需要买礼物,needn’t“不需要”符合语境。故选D。 45.C 【解析】句意:——我花了很长时间做实验,而且我还没有完成报告。——别着急。你今天不必完成它。我们明天交也可以。 考查情态动词辨析。can’t不能;不可能;mustn’t禁止;不允许;needn’t不必;shouldn’t不应该。根据“Take your time.”以及“It’s fine if we hand it in tomorrow.”可知,这里是说没有必要今天完成报告,needn’t符合语境,即不需要、不必今天完成。故选C。   46.A 【解析】句意:所有孩子都知道是谁打破了窗户,但他们不敢指出来。 考查dare的用法。dare表示“敢”,作情态动词时,后跟动词原形,作为实义动词时,常用dare to do结构。but表示转折,说明孩子不敢指出来,排除CD;daren’t是情态动词的否定形式,后直接跟动词原形point。故选A。 47.D 【解析】句意:——你周六下午能来参加我的派对吗?——对不起,我必须照顾我的祖母。她生病了。    考查情态动词辨析。can表示能力或许可,意为“能够;可以”;may表示许可或推测,意为“可以;可能”;would用于委婉请求或过去将来时,意为“愿意;将会”;have to表示客观义务或不得不做某事,意为“必须;不得不”。根据“She is ill.”可知,照顾祖母是因祖母生病产生的客观必要。故选D。 48.B 【解析】句意:——琳达,你现在能和我一起出去吗?——恐怕我得先洗碗。 考查情态动词的用法。can能;have to不得不;could可以;may可能。根据语境,琳达需要先完成洗碗,表示“必须、不得不”做某事,用“have to”最恰当。故选B。 49.A 【解析】句意:——妈妈,我不想穿那件校服去上学。——但你必须这么做,亲爱的。这是规定,你知道的。 考查情态动词辨析。have to不得不,必须;can可以;may也许;can’t不能。根据“It’s a rule”可知,这是规定,必须穿校服,故选A。 50.A 【解析】句意:——蒂娜,我需要你的帮助。我学数学有困难。——嗯,你最好在课堂上认真听老师讲课。 考查动词短语辨析。根据“Tina, I need your help. I have trouble…math. ”可知,此处指的是学数学有困难,have trouble doing sth“做某事有困难”,固定短语;根据“Well, you’d better…to the teacher very carefully in class.”可知,此处指的是最好认真听课。had better do sth“最好做某事”,固定短语。故选A。 51.B 【解析】句意: 他最好别在演讲时打断发言者——这非常不礼貌。 考查情态动词辨析。won’t不会,had better not最好别;needn’t不必;don’t have to不需要。根据“It’s extremely rude.”可知,此处需要强烈建议避免该行为,因为这种行为太粗鲁,had better not表示强烈的建议或警告,隐含“如果做了会有负面后果”;won’t表示将来不会做某事,或者拒绝做某事,这里的语境是建议或警告不要打断,而不是单纯陈述他不会这样做。故选B。 52.B 【解析】句意:——吉姆,你最好等大雨停了再出去玩。——好的,妈妈。我要在家读点书。 考查情态动词。根据“you’d better … outside until the heavy rain stops.”可知,此处是指雨没有停之前不要出去玩,情态动词had better,表示建议,后接动词原形,其否定形式为“had better not+动词原形”。故选B。 53.B 【解析】句意:——你最好不要在八点外出。可能会有野生动物。——好的,我不会的。 考查had better用法。had better do sth“最好做某事”,had better not do sth“最好不要做某事”。根据“You’d better ... out at eight. There may be wild animals.”可知,因为可能会有野生动物,所以最好不要出去。故选B。 54.A 【解析】句意:——渔夫能成功地从瓶子里的精灵手中拯救自己吗?——希望能。 考查动词用法。succeed成功,动词;success成功,名词;successful成功的,形容词;successfully成功地,副词。would后接动词原形,succeed in doing sth表示“成功做某事”。故选A。 55.C 【解析】句意:当麻烦让你担心时,你不应该一直担心它。 考查主谓一致和动词短语辨析。worries担心,困扰,动词三单形式;worry about担心;be worried about担心。根据“When trouble…you”可知,此处意为“使担心”,句子时态为一般现在时,主语“trouble”,在句子中为不可数名词,谓语动词应为三单形式;根据“you shouldn’t…it all the time.”可知,此处指的是不应该总是担心,be worried about“担心”,固定短语,情态动词后应跟动词原形。故选C。 56.A 【解析】句意:听!鸟儿正在花丛中动听地歌唱。你能闻到花香吗?春天就要来了! 考查动词的时态。所给句子第一个空是谓语部分,根据第一个空前面的Listen可知,该句时态是现在进行时,其构成是“am/is/are+动词现在分词形式”,该句主语是复数,所以be动词用are,动词sing现在分词是singing,第一个空填are singing;第二个空是一般疑问句的谓语部分,情态动词can后面跟动词原形,动词smell“闻”,第二个空填smell。故选A。 57.A 【解析】句意:未经老师允许,你不应该做这种实验。这很危险。 考查情态动词辨析。oughtn’t to不应该;might not可能不;need to需要;would rather宁愿。根据“do such kind of experiments without the teacher’s permission. It’s dangerous.”可知,没有老师的允许做这样的实验是危险的,说明不应该做。故选A。 58.A 【解析】句意:每个人在离开办公室前都应记得关灯。 考查动词辨析。ought to应该;may可能;can能、会;need需要。根据“Everyone...remember to turn off the lights before leaving the office”可知,此句强调责任或建议,每个人在离开办公室前都应记得关灯。故选A。 59.D 【解析】句意:“天色晚了——我现在真的应该回家。”莎莉对露西说。 考查情态动词辨析。may可能;should应该;can能;ought一般与to搭配,表示“应该”。根据“I really ... to go home now.”可知,表示建议,且空后有“to”。故选D。 二、 60. where I can 【解析】根据中英文对照可知,此处应用where“在哪里”引导宾语从句,用陈述语序;I“我”,作从句的主语;can“能够”,情态动词。故填where;I;can。 61. find out 【解析】据句意可知,此处表示“查出,弄清楚”,用动词短语“find out”,且“couldn’t”是情态动词“could not”的缩写,其后接动词原形。故填find;out。 62. laugh at 【解析】根据中英文提示可知,此处使用laugh at表示“嘲笑”;句子为否定句,使用情态动词shouldn’t后接动词原形。故填laugh;at。   63. take out rubbish 【解析】对比所给中英文可知,设空处为“倒一下垃圾”;take out the rubbish“倒垃圾”,根据空前的“Could”可知,此处用动词原形。故填take;out;rubbish。 64. can provide 【解析】对比题干可知,can能够,是情态动词,后接动词原形;provide sth for sb为某人提供某物。故填can;provide。 65. be kind to 【解析】根据中英文对照可知,句中缺少“对……友善”的表达。常用短语为“be kind to sb.”,其中“be”表示状态,“kind”意为“友善的”,“to”表示对象。should后跟动词原形,故填be;kind;to。 66. pay attention to 【解析】根据汉语提示可知,空格处需填写“关注”,英文表达为pay attention to,为固定动词短语;should为情态动词,后需跟动词原形。故填pay; attention; to。 67. help me out 【解析】情态动词can后接动词原形,help sb. out“帮助某人”;动词help后接宾格代词me“我”。故填help;me;out。 68. go through 【解析】根据中英文对照可知,go through表示“穿过”,动词短语,must后跟动词原形。故填go;through。 69. better review 【解析】had better do sth.是固定搭配,意为“最好做某事”;review“复习”。故填better;review。 70. Would/Could you 【解析】根据语境可知,此句为礼貌请求;此处缺少“你能”的对应表达;表示请求的常用礼貌句型为“Would/Could you...”。故填Would/Could;you。 71.stay away from 【解析】远离:stay away from,动词短语,had better是情态动词,后加动词原形。故填stay away from。 72. drop litter/throw litter/throw rubbish/drop rubbish cut in 【解析】根据汉语提示及“We shouldn’t…everywhere or…on others.”可知,第一空指的是不应该扔垃圾,drop/throw litter/rubbish“扔垃圾”,固定短语,情态动词“shouldn’t”后跟动词原形;根据“or”可知,“or”或者,并列两个动词,且位于情态动词“shouldn’t”后,空处应为动词原形。cut in“插嘴”,固定短语。故填drop/throw litter/rubbish;cut in。 73.provide you with help/provide help for you 【解析】对比中英文可知,空处缺少“给你提供帮助”;根据英文题干和汉语提示可知,此处考查provide sb. with sth./provide sth. for sb.“为某人提供某物”,动词短语;空前为情态动词“can”,这里应用动词原形;you“你”,人称代词宾格;help“帮助”,不可数名词。故填provide you with help/provide help for you。 74. take care 【解析】照顾:take care of,动词短语,情态动词后加动词原形。故填take;care。 75. cheer me up 【解析】“使某人振奋”的英文表达是“cheer sb up”,can接动词原形;me“我”,位于动词后,填人称代词宾格形式,故填cheer;me;up。 4 / 4 学科网(北京)股份有限公司 $$

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09.情态动词的高频用法-2025年秋新九年级英语语法重难点释疑与巩固(通用版)
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09.情态动词的高频用法-2025年秋新九年级英语语法重难点释疑与巩固(通用版)
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09.情态动词的高频用法-2025年秋新九年级英语语法重难点释疑与巩固(通用版)
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