专题07 语法专练之情态动词-【赢在中考】2026年中考英语语法专练+题型解题技巧（广东省卷专用）

【赢在中考】2026年中考英语语法专练+题型解题技巧（广东省卷专用） 专题07 语法专练之情态动词 一、中考考情定位 考查题型：语法选择（1题） 分值：1分，基础必拿分 核心考点： 1. can / must / may / should / need / have to 基本用法 2. must 疑问句否定回答（必考坑） 3. must（肯定推测）/ can’t（否定推测） 4. 情态动词 + 动词原形 二、核心考点：情态动词速记表 情态动词 含义 考点 can 能、会 表能力 否定 can’t may 可以、可能 表许可 may be / maybe 区别 must 必须、一定 表命令/肯定推测 mustn’t 禁止 should 应该 表建议 need 需要 情态动词否定 needn’t have to 不得不 表客观必须 有人称时态变化 三、广东中考必考3大核心 1. must 一般疑问句的回答（每年必考） - Must I...? 肯定：Yes, you must. 否定：No, you needn’t. / No, you don’t have to. ⚠️ mustn’t 是“禁止”，不是“不必”！ 2. 推测用法（高频） must 一定（肯定推测） can’t 不可能（否定推测） 例： The light is on. He must be at home. The door is locked. He can’t be at home. 3. 所有情态动词共同规则 情态动词 + 动词原形（不能加 to / ing / s / es） 四、易混词辨析 1. must vs have to must：主观“必须” have to：客观“不得不”，可变化（has to / had to） 2. may be vs maybe may be 情态动词 + be动词，在句中作谓语 maybe 副词，放句首 例： He may be a teacher. Maybe he is a teacher. 五、高频短语 must be 一定是 can’t be 不可能是 have to 不得不 need to do 需要做 had better do 最好做 6、 语法专练 一、用适当情态动词填空 1. You ______ (mustn’t / needn’t) run in the classroom. 2. —Must I go now? —No, you ______. 3. It’s too late. I ______ (have to / must) go home. 4. He ______ be in the library. I saw him there just now. 5. You ______ (should / can) listen to the teacher carefully. 6. ______ I use your ruler? 7. He ______ speak English well. 8. This book ______ be Lucy’s. It has her name on it. 9. You don’t ______ finish it today. 10. They ______ stay at home because it’s raining. 参考答案 1. mustn’t 2. needn’t 3. have to 4. must 5. should 2. May/Can 7. can 8. must 9. have to 10. have to 二、单项选择 1．—Hmm, so tasty! It ________ be my mother. She loves cooking. —No, it ________ be her. I saw her go out for shopping. A．must; mustn’t B．must; can’t C．may; mustn’t D．may; can’t 2．I’m afraid I ________ accept your invitation. I’m leaving for another city soon. A．can’t B．shouldn’t C．mustn’t D．needn’t 3．—Can I walk across the road now, Dad? —No, you ________. You have to wait until the light turns green. A．couldn’t B．shouldn’t C．mustn’t D．needn’t 4．— I think John is at home. — He ________ be at home. He phoned me at the airport ten minutes ago. A．may B．must C．can’t D．mustn’t 5．All passengers ________ go through the safety check before they take a plane. A．should B．must C．needn’t D．mustn’t 6．—Look! The light in Lucy’s office is still on. She ________ be working there. —It ________ be her. She has gone to Hangzhou on business. A．must; can’t B．can; mustn’t C．must; mustn’t D．may; needn’t 7．—Hi, madam. Can I take the story books out? —No, my boy. They ________ be taken out of the reading-room. It’s a rule. A．mustn’t B．needn’t C．couldn’t D．wouldn’t 8．—Where is Mum now? —I'm not sure. She ________ be in the kitchen. A．can't B．may C．need D．must 9．—Listen! Is Lily singing in the classroom? —No. It _____ be Lily. She has gone to Paris. A．may not B．needn't C．can't D．won't 10．—Mom, look! The cups on the table are shaking and making noises! —Oh, dear, it ________ an earthquake! Let’s go outside to be away from danger! A．must B．must be C．can’t D．can’t be 11．—Is the boy a new student? —No. He ________ be a new one because I often see him in the school. A．shouldn’t B．couldn’t C．needn’t D．can’t 12．— Get your bike and show me around the town. — Sorry, I ________ today. I am looking after my little sister. A．can’t B．mustn’t C．may not D．needn’t 13．—Look at the child! He is climbing the tree. —Oh, dear! He ______ hurt himself. He ______ do it next time. A．must, mustn't B．should, can't C．need, mustn't D．may, can't 14．-- Must I finish all the work now? -- No, you ______. You can have a rest now. A．needn't B．mustn't C．can't D．shouldn't 15．—Could I borrow your dictionary? —Of course you______. A．can B．must C．should D．could 16．—May I smoke here? —You’d better not. If you ________, please go to the smoking area. A．must B．could C．may D．should 17．—Tony, would you please _______ the red box? —It's for your sister. A．not open B．not to open C．don't open D．to not open 18．—________I return the book today, Mr. Lin? —No, you ________. You can keep it for two days. A．May; mustn’t B．Must; mustn’t C．Must; needn’t D．Can; shouldn’t 19．. -May we leave the classroom now? -No, you ______. You ______ to leave until the bell rings. A．mustn’t, are allowed B．don’t have to, are supposed C．needn’t, aren’t allowed D．can’t, aren’t supposed 20．—A ten-month-old baby in India fell off his mum’s arms and got killed. I just ________ believe that. —Just because his parents were busy using their mobile phones. How ________ his parents be so careless? A．can’t; may B．can’t; could C．mustn’t; could D．mustn’t; may 21．_______ you wait a few more minutes? It’ll be your turn soon. A．Must B．Should C．Could D．Might 22．--How cool the new kind of shared bike is! _______ I have a try on it? --No, you mustn’t. It runs on electricity and children under 16 _______ be allowed to ride it. A．May; shouldn’t B．Must; shouldn’t C．May; needn’t D．Must; needn’t 23．— The Queshi greenway has become a popular place for Shantou people on the weekends. — That’s right. And you ________ drive your car on it because it is a path for cycling and walking. A．may B．must C．shouldn’t D．don’t have to 24．--Must I take the pills after the meals? --No,you_______.It’s OK if you take them before the meals. A．mustn’t B．can’t C．shouldn’t D．needn’t 25．—Must I stay here with you, Mum? —No, you ________.You may go home now, but you________go to the net-bar. A．mustn't; needn't B．needn't; mustn't C．must; need D．need; must 26．—Mr. Wang, must I come again on Sunday morning to clean the windows? —No, you . I have asked others to do it. A．don’t have to B．mustn’t C．can’t D．shouldn’t 27．--- I can’t stop playing computer games. ---For your health and study, I am afraid you _______. A．can B．may C．need D．have to 28．—I can’t give up smoking, doctor. —For your health, I’m afraid you ________. A．may B．can C．have to D．must 29．You had better ________ football near the street. It’s very dangerous. A．not to play B．don’t play C．not play D．to not play 30．—To have a good body, you’d better ________ more sports. —OK, from now on, I will spend two hours ________ exercise every day. A．to do; taking B．do; taking C．do; to take D．to do; to take 31．—You’d better ________ two days off. You look bad. —Thank you. In fact, I’d like ________ a good sleep. A．to take; to have B．take; having C．take; to have D．to take; having 32．The weather report says it ________ rain tomorrow. We’d better take an umbrella. A．might B．must C．need D．should 33．—Watch out! Your hair ________ caught in the machine! —Thank you! I ________ realize I was so close to it. A．must be; didn’t B．may get; don’t C．needs to be; will D．might get; didn’t 34．—Where will you go to spend your winter holiday? —We ________ go to Xiamen, but we’re not sure. A．might B．should C．must D．maybe 35．— Who will take part in the competition? — It ________ be Mary, but I’m not so sure about it. A．need B．must C．should D．might 36．—________ I watch TV? —No. It’s too late. You ________ go to bed now. A．Can; must B．May; mustn’t C．Can; can’t D．Must; can’t 37．—________ you change this light bulb for us? —No problem. But you ________ turn off the power first. A．Must; can B．Must; must C．Can; must D．Can; can 38．Trees ________ remove bad chemicals from the soil and help prevent dangerous gases. A．can B．need C．must D．ought to 39．—______I use your dictionary? —Of course. Here you are. A．Must B．Need C．May D．Should 40．—Excuse me, ________ I sit here? —I’m afraid you ________. These seats are for the disabled. A．must; needn’t B．may; can’t C．can; can D．may; can 41．—________ I swim in the river, Mom? —No, you ________. It’s too dangerous. A．Can; couldn’t B．Must; needn’t C．May; mustn’t D．Need; mustn’t 42．John ________ come to see us tonight, but he isn’t very sure yet. A．can B．may C．has to D．must 43．—Where is Lucy? —I’m not sure. She _______ in the teachers’ office. A．must be B．may be C．maybe D．can be 44．Luo yang likes swimming very much and he ________ swim very well. A．can’t B．can C．shouldn’t D．should 45．Tom ______ be in his office so late that night. I saw him with his friends in the restaurant . A．can’t B．may not C．mustn’t D．shouldn’t 46．He ________ go to the market himself because he can buy things online. A．have to B．has to C．don’t have to D．doesn’t have to 47．______ you’re invited to express yourself, you’d better ______ your thoughts to yourself at the meeting. A．Because, to keep B．Unless, keep C．Though, to keep D．If, keep 48．You had better _______ wine because you have to drive back. A．not to drink B．not drink C．don’t drink D．not drinking 49．—Could you ____________ me with my math? —Sorry, I ____________ the piano, but I can help you this afternoon. A．help; play B．help; am playing C．helping; play D．helping; am playing 50．You ________ eat so much sugar. It’s bad ________ your health. A．couldn’t; to B．wouldn’t; for C．shouldn’t; for D．might not; for 参考答案 1．B 【详解】句意：——嗯，太好吃了！这一定是我妈妈做的。她喜欢烹饪。——不，不可能是她。我看见她出去购物了。 考查情态动词辨析。must表示肯定的推测，意为“一定”；can’t表示否定的推测，意为“不可能”。may也许；mustn’t禁止。根据“She loves cooking”可知，第一空表示肯定的推测，用must；根据“I saw her go out for shopping”可知，第二空表示否定的推测，用can’t。故选B。 2．A 【详解】句意：恐怕我不能接受你的邀请。我很快就要去另一个城市了。 考查情态动词辨析。can’t不能；shouldn’t不应该；mustn’t不许；needn’t不需要。根据“I’m afraid”和“I’m leaving for another city soon.”可知，说话人由于要离开，不具备接受邀请的条件，因此表示能力上的不能，应用can’t。故选A。 3．C 【详解】句意：——爸爸，我现在可以过马路了吗？——不，你不能。你必须等到绿灯才行。 考查情态动词。couldn’t不能；shouldn’t不应该；mustn’t禁止；needn’t不需要。句子时态是一般现在时，根据“You have to wait until the light turns green.”可知，在等红灯的时候是禁止过马路的。故选C。 4．C 【详解】句意：—— 我认为约翰在家。——他不可能在家。他十分钟前在机场给我打了电话。 考查情态动词的用法。may可能；must肯定；can’t不可能；mustn’t禁止。根据“He phoned me at the airport ten minutes ago.”可知，约翰十分钟前在机场打电话，因此他现在不可能在家。故选C。 5．B 【详解】句意：所有乘客在登机前都必须通过安全检查。 考查情态动词辨析。should应该；must必须；needn’t不必；mustn’t禁止。根据“All passengers … go through the safety check before they take a plane”可知，登机前必须要通过安检，故选B。 6．A 【详解】句意：——看！露西办公室的灯还亮着。她一定在那里工作。——不可能是她。她去杭州出差了。 考查情态动词用法。must一定；can’t不可能；mustn’t禁止；may可能；needn’t不需要。根据“The light in Lucy’s office is still on”可知，第一句认为露西办公室的灯还亮着，说明她一定在工作，应用must表示肯定的推测；第二句根据“She has gone to Hangzhou on business.”可知，露西出差了，说明不可能是她，表示否定的推测用can’t。故选A。 7．A 【详解】句意：——你好，夫人。我可以把故事书拿出来吗？——不，我的孩子。不能把它们带出阅览室。这是一个规则。 考查情态动词辨析。mustn’t禁止；needn’t不必；couldn’t不能；wouldn’t将不。根据“They…be taken out of the reading-room. It’s a rule.”可知，规定禁止将书带出去，故选A。 8．B 【详解】句意：——妈妈现在在哪？——我不确定，她可能在厨房。 考查情态动词的用法。can't不能；may可能；need需要；must必须。根据句意，我不确定说明是可能，也许的意思。故选B。 9．C 【详解】句意：——听，莉莉在教室里在唱歌吗？——不，不可能是莉莉，她去巴黎了。 考查情态动词。may not可能不；needn’t不需要；can’t不能，不可能；won’t将不会；根据She has gone to Paris. 她去巴黎了。可知不可能是莉莉；表示否定的推测。故选C。 10．B 【详解】句意：——妈妈，看！桌上的杯子在摇晃，发出声音！——哦，天哪，一定是地震了！我们出去躲避危险吧。 考查情态动词。情态动词表肯定猜测，must的语气最为强烈，是以事实为依据而进行的逻辑上的推理，动作发生的可能性最大；can't表否定推测；根据上文“The cups on the table are shaking and making noises”推断下文是以事实为依据的肯定猜测，所以排除C、D，情态动词不能独立做谓语，所以排除选项A；故选B。 11．D 【详解】句意：——这个男孩是新同学吗？——不是。他一定不是新生，因为我经常在学校里看见他。 考查情态动词。shouldn’t不应该；couldn’t不能；needn’t不需要；can’t一定不是。根据“…because I often see him in the school.”可知此处表示有把握的推测，肯定用情态动词must，否定用can’t。故选D。 【点睛】情态动词表推测： 首先判断是表肯定推测还是否定推测。表示肯定推测用must、may或might；表示否定推测一般用can't。其次判断推测的程度： ①表示断然的否定推测：通常后面的语境会对所填空给出解释，据此可以判断是非常有把握的否定推测，此时最好用can not/ can't； ②表示不能十分肯定或把握不大的推测，此类题一般也会有相关的语境提示，如：I'm not sure、who knows等，此时最好用may或might； ③表示十分肯定的推测：只有一种可能，只要语境有非常明显的肯定提示词，则直接选must。 12．A 【详解】句意：——骑上自行车带我在镇上转转。——对不起，今天不行。我正在照顾我的小妹妹。 考查情态动词。can’t不能；mustn’t千万别，一定不要，表示禁止；may not也许不；needn’t不必，不需要。根据“sorry”及“I am looking after my little sister.”可知不能做上文提出的建议，即拒绝对方的提议，故选A。 13．D 【详解】句意：——看那个小孩，他正在爬树。——哦，他可能会伤到他自己，他下次不能再做这件事了。 考查情态动词。must必须，mustn’t禁止；should应该；can’t不能；need需要；may可能。第一空表示可能会受伤，第二空表示不能做，故选D。 14．A 【详解】句意：——我现在必须完成所有的工作吗？——不，你不必。你现在可以休息了。 考查情态动词词义辨析。A.needn't意为不必；B.mustn't意为不许，不能；C.can't意为不能；D. shouldn't意为不应该。根据句意我必须现在完成工作吗？后面说你现在可以休息了。故填needn't不必，故选A。 15．A 【详解】句意：——我能借你的字典吗？——当然。 A. can能够；B. must必须；C. should应该；D. could能够。问句为Could引导的时候，回答为yes，you can.这时could不是过去式，而是表示一种比较客气，比较委婉的语气，故选A。 16．A 【详解】句意：——我能在这儿抽烟吗？——最好不要。如果你一定要抽烟，请到吸烟区。 考查情态动词。A. must必须，偏要；B. could能；C. may可能；D. should应该。答句一开始说“最好不要抽烟”，后来又说“请到吸烟区”，可推出条件是对方一定要抽烟的话，用must。故选A。 17．A 【详解】句意：——托尼，请你不要打开红色的箱子好吗？——那是你妹妹的。 would you please“请你……好吗”后跟动词原形，其否定形式直接在please后加not，故答案选A。 18．C 【详解】句意：——林先生，我今天必须还书吗?——不,你不必。你可以借两天。 考查情态动词辨析。may和can可以/能，用于请求许可；must一定，强调必要性。return归还，根据句意语境，可知问句强调“必须”，需用must；而must引起的一般疑问句，否定回答需用needn’t或have not to，这是习惯用法，故选C。 19．D 【详解】试题分析：need，需要，否定式是needn’t；may可以，否定式是may not；can是能，能够，否定式是can’t。must的含义是必须一定，其否定形式mustn’t表示禁止的含义。故must的否定回答一般借助于needn’和don’t have to来构成，句意:现在我可以离开教室了吗啊？——不，你不能。直到响铃你才能离开。短语be allowed to do sth被允许做某事。Be supposed to do sth应该做某事，被期待做某事，结合语境可知前一空表示客观上的不能，故用can’t，选D。 考点：情态动词辨析 点评：情态动词的考查是初中英语考查的重点，平时学习中一定要熟记这些词的基本词义及用法上的不同，注意其用法及在句子中表达语气的不同。考试中结合语境选择合适答案。 20．B 【详解】句意：—在印度，一个10个月大的婴儿从他妈妈的手臂上摔了下来，死了。我简直不敢相信。—只是因为他的父母忙着用手机。他的父母怎么能这么粗心呢? 本题考查情态动词。can't不会，不能，mustn’t禁止，may可以，could可能，用于特殊疑问句常含有惊讶、迷惑等感情色彩。第一空根据句意，表示无法相信，用情态动词can’t。第二空用于特殊疑问句，表示惊讶，用情态动词could。故选B。 21．C 【详解】 词义辨析。Must，必须；Should应该；Could 能够；Might可能。句意：你能 再多等几分钟吗？很快就轮到你了。所以选C。 22．A 【详解】句意：——这种共享单车太酷了！我可以试一下吗？——不，不可以。它靠电力运行，16岁以下的儿童不应该被允许乘坐它。 本题考查情态动词。May可以，表示允许；must必须，表示要求；shouldn’t不应该，表示建议；needn’t不必，表示要求；根据No, you mustn’t.可知，此处表示询问是否允许，用情态动词may。第二空表示建议16岁以下的孩子不许骑电动车，故选A。 23．C 【详解】句意为：——礐石绿色通道已经成为汕头市民周末受欢迎的去处。——对。并且你不该开车因为这是一条骑车和步行的小道。 考查情态动词的用法。may：可以，must：必须， shouldn’t ：不应该， don’t have to：不必。根据语境可知应选C。 24．D 【详解】句意：——在饭后我必须吃药吗？——不，你不必，如果你在饭前吃是没关系的。A. mustn’t 禁止；B. can’t不能； C. shouldn’t不应该；D. needn’t不必。对于must开头的一般疑问句，做否定回答要用needn’t。故选D。 25．B 【详解】句意：——妈妈，我必须和你一起待在这里吗？——不，没必要，你可以现在回家，但是你不可以去网吧。 考查情态动词。第一个设空处根据答语中的No．可知为否定回答，意思是"不，没必要"，以must开头的一般疑问句，肯定回答还用must，而否定回答一般借助于needn't或don't have to，表示"没必要"，第二个设空处表示禁止孩子去网吧用mustn't，表示强烈禁止。故选B。 26．A 【详解】句意：——王先生，我必须在星期天上午再来擦窗户吗？——不，你不必了。我已经让其他人去做这件事了。don't have to不必； mustn’t禁止； can’t不可能；shouldn’t不应该；Must I do sth?“我必须做某事吗？”肯定回答用Yes, you have.否定回答用No, you don’t have to.或you needn’t。故选A。 27．D 【详解】试题分析：句意：-我不能停止玩电脑游戏。-为了您的健康和学习，恐怕你得停止。can 能；may可以；need需要；have to必须，不得不。所以选D。 考点：考查情态动词。 28．C 【详解】试题分析：may：可能、或许；can：能、会；have to：必须、不得不（表客观要求），must：必须（表主观愿望）。根据题意“为了健康，你必须戒烟”。故选C 考点：情态动词 29．C 【详解】句意：你最好不要在街道附近踢足球，这很危险。 考查had better的用法。had better为固定搭配，意为“最好”，其否定形式为had better not do sth，意为“最好不要做某事”，结合选项可知，空处应填not play。故选C。 30．B 【详解】句意：——为了有一个好身体，你最好多做运动。——好吧，从现在开始，我每天要花两个小时锻炼身体。 考查had better的用法和非谓语动词。you’d是you had的缩写，短语had better do sth.意为“最好做某事”，所以第一空应用动词原形do“做”；根据短语spend time doing sth.“花时间做某事”可知，第二空应用动名词taking。故选B。 31．C 【详解】句意：——你最好休息两天。你看起来很糟糕。——谢谢。事实上，我想好好睡一觉。 考查had better的用法和非谓语动词。第一空前的You’d是You had的缩写，根据短语had better do sth.“最好做某事”可知，第一空应选动词原形take；第二空前的I’d是I would的缩写，根据短语would like to do sth.“想要做某事”可知，第二空应选动词不定式to have。故选C。 32．A 【详解】句意：天气预报说明天可能会下雨。我们最好带着雨伞。 考查动词辨析。might也许，表示可能性很小的推测；must一定，表示有把握的肯定推测；need需要，作情态动词时用于否定句或疑问句；should应该，表示建议。根据“We’d better take an umbrella.”可知，明天有可能下雨，但不确定。故选A。 33．D 【详解】句意：——小心！你的头发可能会被机器夹住！——非常感谢。我没意识到我离它这么近。 考查情态动词以及动词的时态。must be一定是；may get可能被；needs to be需要被；might get可能被。根据“caught in the machine”可知头发可能会被夹住，情态动词用may/might，排除AC；根据“I was so close to it”可知时态用一般过去时，助动词用didn’t。故选D。 34．A 【详解】句意：——你们将会去哪里过寒假？——我们可能去厦门，但还不确定。 考查情态动词。might可能；should应该；must必须；maybe也许，副词。根据“go to Xiamen”可知，此处缺一情态动词，结合下文“but we’re not sure”可知，此处指可能去厦门。故选A。 35．D 【详解】句意：——谁将参加比赛？——可能是玛丽，但我不太确定。 考查动词辨析。need需要；must必须；should应该；might可能。根据“It...be Mary, but I’m not so sure about it.”可知，表示不太肯定的推测，故选D。 36．A 【详解】句意：——我可以看电视吗？——不。太晚了。你现在必须上床睡觉了。 考查情态动词。Can可以；must必须；May可以；mustn’t禁止；can’t不可以。第一空，根据“... I watch TV?”可知，此处表示请求允许，排除D项；第二空，根据“No. It’s too late.”可知，答话人拒绝了对方的请求，所以此处指现在必须去睡觉，排除B项和C项。故选A。 37．C 【详解】句意：——你能帮我们换一下这个灯泡吗？——没有问题。但是你必须先关掉电源。 考查情态动词辨析。can可以；must必须。第一空，根据“No problem.”可知，第一空表示请求，应填can；第二空，根据“But you... turn off the power first.”可知，换灯泡时必须关掉电源，应填must。故选C。 38．A 【详解】句意：树木可以清除土壤中的有害化学物质，并有助于防止有害气体。 考查情态动词。can可以；need需要；must必须；ought to应该。根据“remove bad chemicals from the soil and help prevent dangerous gases.”陈述树木的客观能力净化土壤、阻止有害气体，用can。故选A。 39．C 【详解】句意：——我能用下你的字典吗？——当然。给你。 考查情态动词。Must必须；Need需要；May可以；Should应该。根据下面的答句“Of course. Here you are.”以及选项可知，这里是在委婉地请求使用对方的字典，征求许可，应用May。故选C。 40．B 【详解】句意：——打扰一下，我可以坐在这儿吗？——恐怕你不可以。这些座位是给残疾人的。    考查情态动词辨析。must必须，needn’t不必；may可以，用于委婉请求许可；can’t不可以，不能，用于拒绝请求；can可以。根据“Excuse me, ...I sit here?” 可知，此处是提出委婉请求，may符合语境；根据“I’m afraid you .... These seats are for the disabled.”可知，此处用“can’t”表拒绝。故选B。 41．C 【详解】句意：——妈妈，我可以在河里游泳吗？——不行，你不可以。这太危险了。 考查情态动词。can能够；must必须；may可以；need需要；couldn’t不能；needn’t不需要；mustn’t禁止。第一空表示请求许可，用may或can都可以；第二空根据“It’s too dangerous”可知，不允许在河里游泳，mustn’t表示“禁止”，而may引导的一般疑问句，否定回答常用can’t或mustn’t ，故选C。 42．B 【详解】句意：John今晚可能会来看我们，但他还不太确定。 考查情态动词。can能；may也许；has to必须；must必须。根据“but he isn’t very sure yet.”可知，他是可能来看我们。故选B。 43．B 【详解】句意：——露西在哪里？——我不确定。她可能在教师办公室。 考查情态动词词义辨析。must be一定是，表肯定；may be可能是，表推测；maybe可能，副词；can be能够是，表能力。根据“I’m not sure”可知，表示不确定，即表推测，且句子缺少谓语动词，故选B。 44．B 【详解】句意：罗阳非常喜欢游泳，他能游得很好。 考查情态动词辨析。can’t不能；can能；shouldn’t不应该；should应该。根据“Luo yang likes swimming very much and he…swim very well.”可知，此处指的是他能够游泳得很好。can“能”，符合语境。故选B。 45．A 【详解】试题分析：can’t不能，是can not的缩写。may not不可以。mustn’t禁止。shouldn’t不应该。句意： 汤姆那天晚上不能在办公室呆那么晚，因为我在餐馆看见他和朋友在一起。故选A。 考点： 考查情态动词的用法。 46．D 【详解】句意：他不必自己去市场，因为他可以在网上买东西。 考查have to的用法和主谓一致。have to必须；has to必须，have to的第三人称单数形式；don’t have to不必；doesn’t have to不必，是don’t have to的第三人称单数形式。根据“because he can buy things online”可知，他可以在网上买东西，不必亲自去市场，主语He是第三人称单数，要用doesn’t have to。故选D。 47．B 【详解】句意：除非你被邀请发表意见，否则你最好在会上把你的想法藏在心里。 考查连词辨析和情态动词的用法。Because因为；Unless除非；Though虽然；If如果。“you’re invited to express yourself”是“you’d better ... your thoughts to yourself at the meeting”的否定条件，用Unless引导条件状语从句；had better后用动词原形。故选B。 48．B 【详解】句意：你最好不要喝酒，因为你还得开车回去。 考查had better用法。根据空前“You had better…”可知，此处考查had better (not) do sth.“最好(不)要做某事”，因此这里应用not+动词原形。故选B。 49．B 【详解】句意：——你能帮我学数学吗？——抱歉，我正在弹钢琴，但我今天下午可以帮你。 考查现在进行时和情态动词的用法。第一个空位于情态动词Could后，用动词原形；第二个空表达当前正在进行的动作，使用现在进行时，主语为I，现在进行时结构为am playing。故选B。 50．C 【详解】句意：你不应该吃太多糖。它对你的健康不利。 考查情态动词用法和固定短语。couldn’t不能；wouldn’t不会；shouldn’t不应该；might not可能不会；to到；for为了。根据“it’s bad...your health.”可知，糖有害健康，所以“不应该”吃太多，第一个空应选shouldn’t；be bad for“对……有害”，动词短语。故选C。 学科网（北京）股份有限公司 $ 【赢在中考】2026年中考英语语法专练+题型解题技巧（广东省卷专用） 专题07 语法专练之情态动词 一、中考考情定位 考查题型：语法选择（1题） 分值：1分，基础必拿分 核心考点： 1. can / must / may / should / need / have to 基本用法 2. must 疑问句否定回答（必考坑） 3. must（肯定推测）/ can’t（否定推测） 4. 情态动词 + 动词原形 二、核心考点：情态动词速记表 情态动词 含义 考点 can 能、会 表能力 否定 can’t may 可以、可能 表许可 may be / maybe 区别 must 必须、一定 表命令/肯定推测 mustn’t 禁止 should 应该 表建议 need 需要 情态动词否定 needn’t have to 不得不 表客观必须 有人称时态变化 三、广东中考必考3大核心 1. must 一般疑问句的回答（每年必考） - Must I...? 肯定：Yes, you must. 否定：No, you needn’t. / No, you don’t have to. ⚠️ mustn’t 是“禁止”，不是“不必”！ 2. 推测用法（高频） must 一定（肯定推测） can’t 不可能（否定推测） 例： The light is on. He must be at home. The door is locked. He can’t be at home. 3. 所有情态动词共同规则 情态动词 + 动词原形（不能加 to / ing / s / es） 四、易混词辨析 1. must vs have to must：主观“必须” have to：客观“不得不”，可变化（has to / had to） 2. may be vs maybe may be 情态动词 + be动词，在句中作谓语 maybe 副词，放句首 例： He may be a teacher. Maybe he is a teacher. 五、高频短语 must be 一定是 can’t be 不可能是 have to 不得不 need to do 需要做 had better do 最好做 6、 语法专练 一、用适当情态动词填空 1. You ______ (mustn’t / needn’t) run in the classroom. 2. —Must I go now? —No, you ______. 3. It’s too late. I ______ (have to / must) go home. 4. He ______ be in the library. I saw him there just now. 5. You ______ (should / can) listen to the teacher carefully. 6. ______ I use your ruler? 7. He ______ speak English well. 8. This book ______ be Lucy’s. It has her name on it. 9. You don’t ______ finish it today. 10. They ______ stay at home because it’s raining. 二、单项选择 1．—Hmm, so tasty! It ________ be my mother. She loves cooking. —No, it ________ be her. I saw her go out for shopping. A．must; mustn’t B．must; can’t C．may; mustn’t D．may; can’t 2．I’m afraid I ________ accept your invitation. I’m leaving for another city soon. A．can’t B．shouldn’t C．mustn’t D．needn’t 3．—Can I walk across the road now, Dad? —No, you ________. You have to wait until the light turns green. A．couldn’t B．shouldn’t C．mustn’t D．needn’t 4．— I think John is at home. — He ________ be at home. He phoned me at the airport ten minutes ago. A．may B．must C．can’t D．mustn’t 5．All passengers ________ go through the safety check before they take a plane. A．should B．must C．needn’t D．mustn’t 6．—Look! The light in Lucy’s office is still on. She ________ be working there. —It ________ be her. She has gone to Hangzhou on business. A．must; can’t B．can; mustn’t C．must; mustn’t D．may; needn’t 7．—Hi, madam. Can I take the story books out? —No, my boy. They ________ be taken out of the reading-room. It’s a rule. A．mustn’t B．needn’t C．couldn’t D．wouldn’t 8．—Where is Mum now? —I'm not sure. She ________ be in the kitchen. A．can't B．may C．need D．must 9．—Listen! Is Lily singing in the classroom? —No. It _____ be Lily. She has gone to Paris. A．may not B．needn't C．can't D．won't 10．—Mom, look! The cups on the table are shaking and making noises! —Oh, dear, it ________ an earthquake! Let’s go outside to be away from danger! A．must B．must be C．can’t D．can’t be 11．—Is the boy a new student? —No. He ________ be a new one because I often see him in the school. A．shouldn’t B．couldn’t C．needn’t D．can’t 12．— Get your bike and show me around the town. — Sorry, I ________ today. I am looking after my little sister. A．can’t B．mustn’t C．may not D．needn’t 13．—Look at the child! He is climbing the tree. —Oh, dear! He ______ hurt himself. He ______ do it next time. A．must, mustn't B．should, can't C．need, mustn't D．may, can't 14．-- Must I finish all the work now? -- No, you ______. You can have a rest now. A．needn't B．mustn't C．can't D．shouldn't 15．—Could I borrow your dictionary? —Of course you______. A．can B．must C．should D．could 16．—May I smoke here? —You’d better not. If you ________, please go to the smoking area. A．must B．could C．may D．should 17．—Tony, would you please _______ the red box? —It's for your sister. A．not open B．not to open C．don't open D．to not open 18．—________I return the book today, Mr. Lin? —No, you ________. You can keep it for two days. A．May; mustn’t B．Must; mustn’t C．Must; needn’t D．Can; shouldn’t 19．. -May we leave the classroom now? -No, you ______. You ______ to leave until the bell rings. A．mustn’t, are allowed B．don’t have to, are supposed C．needn’t, aren’t allowed D．can’t, aren’t supposed 20．—A ten-month-old baby in India fell off his mum’s arms and got killed. I just ________ believe that. —Just because his parents were busy using their mobile phones. How ________ his parents be so careless? A．can’t; may B．can’t; could C．mustn’t; could D．mustn’t; may 21．_______ you wait a few more minutes? It’ll be your turn soon. A．Must B．Should C．Could D．Might 22．--How cool the new kind of shared bike is! _______ I have a try on it? --No, you mustn’t. It runs on electricity and children under 16 _______ be allowed to ride it. A．May; shouldn’t B．Must; shouldn’t C．May; needn’t D．Must; needn’t 23．— The Queshi greenway has become a popular place for Shantou people on the weekends. — That’s right. And you ________ drive your car on it because it is a path for cycling and walking. A．may B．must C．shouldn’t D．don’t have to 24．--Must I take the pills after the meals? --No,you_______.It’s OK if you take them before the meals. A．mustn’t B．can’t C．shouldn’t D．needn’t 25．—Must I stay here with you, Mum? —No, you ________.You may go home now, but you________go to the net-bar. A．mustn't; needn't B．needn't; mustn't C．must; need D．need; must 26．—Mr. Wang, must I come again on Sunday morning to clean the windows? —No, you . I have asked others to do it. A．don’t have to B．mustn’t C．can’t D．shouldn’t 27．--- I can’t stop playing computer games. ---For your health and study, I am afraid you _______. A．can B．may C．need D．have to 28．—I can’t give up smoking, doctor. —For your health, I’m afraid you ________. A．may B．can C．have to D．must 29．You had better ________ football near the street. It’s very dangerous. A．not to play B．don’t play C．not play D．to not play 30．—To have a good body, you’d better ________ more sports. —OK, from now on, I will spend two hours ________ exercise every day. A．to do; taking B．do; taking C．do; to take D．to do; to take 31．—You’d better ________ two days off. You look bad. —Thank you. In fact, I’d like ________ a good sleep. A．to take; to have B．take; having C．take; to have D．to take; having 32．The weather report says it ________ rain tomorrow. We’d better take an umbrella. A．might B．must C．need D．should 33．—Watch out! Your hair ________ caught in the machine! —Thank you! I ________ realize I was so close to it. A．must be; didn’t B．may get; don’t C．needs to be; will D．might get; didn’t 34．—Where will you go to spend your winter holiday? —We ________ go to Xiamen, but we’re not sure. A．might B．should C．must D．maybe 35．— Who will take part in the competition? — It ________ be Mary, but I’m not so sure about it. A．need B．must C．should D．might 36．—________ I watch TV? —No. It’s too late. You ________ go to bed now. A．Can; must B．May; mustn’t C．Can; can’t D．Must; can’t 37．—________ you change this light bulb for us? —No problem. But you ________ turn off the power first. A．Must; can B．Must; must C．Can; must D．Can; can 38．Trees ________ remove bad chemicals from the soil and help prevent dangerous gases. A．can B．need C．must D．ought to 39．—______I use your dictionary? —Of course. Here you are. A．Must B．Need C．May D．Should 40．—Excuse me, ________ I sit here? —I’m afraid you ________. These seats are for the disabled. A．must; needn’t B．may; can’t C．can; can D．may; can 41．—________ I swim in the river, Mom? —No, you ________. It’s too dangerous. A．Can; couldn’t B．Must; needn’t C．May; mustn’t D．Need; mustn’t 42．John ________ come to see us tonight, but he isn’t very sure yet. A．can B．may C．has to D．must 43．—Where is Lucy? —I’m not sure. She _______ in the teachers’ office. A．must be B．may be C．maybe D．can be 44．Luo yang likes swimming very much and he ________ swim very well. A．can’t B．can C．shouldn’t D．should 45．Tom ______ be in his office so late that night. I saw him with his friends in the restaurant . A．can’t B．may not C．mustn’t D．shouldn’t 46．He ________ go to the market himself because he can buy things online. A．have to B．has to C．don’t have to D．doesn’t have to 47．______ you’re invited to express yourself, you’d better ______ your thoughts to yourself at the meeting. A．Because, to keep B．Unless, keep C．Though, to keep D．If, keep 48．You had better _______ wine because you have to drive back. A．not to drink B．not drink C．don’t drink D．not drinking 49．—Could you ____________ me with my math? —Sorry, I ____________ the piano, but I can help you this afternoon. A．help; play B．help; am playing C．helping; play D．helping; am playing 50．You ________ eat so much sugar. It’s bad ________ your health. A．couldn’t; to B．wouldn’t; for C．shouldn’t; for D．might not; for 学科网（北京）股份有限公司 $