Unit 2 课时3 Grammar Focus（3a-3d）-2025-2026学年七年级下册英语同步辅导（人教版）

二、11.C12.D13.B14.E15.A 课时3 Grammar Focus(3a~3d) 基础巩固 -1.can 2.mustn't 3.Must 4.have to 5.can't 二、6.B7.C8.C9.C10.B 三、l1.to jump the queue 12.talk quietly 13.make noise 14.is;absent from 15.wear;seat belt 四、l6.Don't bring17.No littering 18.Be quiet 19.can't/mustn't eat or drink 20.Go;wash 能力提升 -、1.E2.B3.F4.A5.C 二、6.exciting7.must8.noise 9.are 10.them 11.Third 12.many 13.or 14.park 15.rules Section B How can rules help us? 课前预习 必背单词 1.unhappy 2.either 3.practise 4.hang 5.weekday 6.awful 7.become 8.better 9.person 10.focus 11.build 12.spirit 13.relax 14.advice 15.understand 16.untidy 重点短语 1.make sb's/the bed 2.hang out 3.focus on 4.think about 5.hurry to 6.show respect for 经典句型 1.There are too many 2.When;either 3.play basketball;practise the piano 4.become;better 5.need to focus on learning 6.builds school spirit 7.No rules;no order 课时4 Section B(1a~2c) 基础巩固 -1.awful 2.unhappy 3.weekdays 4.spirit 5.respect 二、6.relaxes7.advice8.quietly 9.(to)become 10.better 三、ll.hang out with 12.No rules;no order 13.make my/the bed 14.builds school spirit 15.think about 四、16.B17.C18.B19.C20.D 能力提升 -1.asks 2.is 3.arrive 4.first 5.can't 6.to fight 7.to wear 8.to keep 9.them 10.telling 二、ll.But we have some rules here. 12.Don't be noisy in the library. 13.第三，你不能把食物带到图书馆或在这 里吃。 14.No,you can't. 15.I have to pay for them. 课时5 Section B(3a~3d) 写作素养提升 【审作文题】 1.文体：应用文 2.人称：第一人称 3.时态：一般现在时C.Third D.One bedroom is always clean and tidy.My mother ( )6.A.tell B.say says keeping my room tidy is good for my C.talk D.speak health. )7.A.difficult B.easy I study at No.3 Middle School.At our C.long D.short school,we also have some rules.We can't be )8.A.rulers B.pens late for school.13. We must get to C.books D.erasers school before half past seven in the morning. )9.A.exercise B.habit We need to wear the school uniforms every C.dream D.question day.14. We can't listen to music.We )10.A.but B.so can't eat in the classroom.We must eat in the C.after D.or dining hall.After class,we can't run in the 二、根据短文内容，从方框中选出能填入空白 hallways. 处的最佳选项，使短文通顺、完整。 15. Tell me about them. My name is Lucy.There are many rules in A.Do you have rules in your life? my life.11. At home,I can't play B.So we must arrive at school on time. computer games for more than(超过)half an C.I think these rules are important for me. hour.I think it is good for my study because I D.I must make the bed after I get up. can have more time to study.12. E.In class,we have to be quiet. And I must clean my room every day.So my 课时3 Grammar Focus(3a~3d) 重点知识 祈使句句式 肯定形式 否定形式 一、祈使句 Look at the Don't look at the Do型：动词 1.含义 blackboard. blackboard. 原形十其他 祈使句主要用来表示请求、命令、劝告、建 看黑板。 不要看黑板。 议、号召、祝愿或叮嘱等。祈使句的主语一 Let型：Let 般是第二人称you,但往往省略；谓语动词用 Don't let her go. 十宾语十动 Let her go. 动词原形，位于句首，句子末尾用句号或感 Let her not go. 词原形十 让她走吧。 叹号。 不要让她走。 其他 2.构成 Don't be late for 祈使句的肯定式多数以动词原形开头，否定 Be型：Be十 Be careful！ class 式通常在动词原形前加don't。 表语 小心！ 上课不要迟到。 续表 eg:Can you speak French?你会说法语吗？ 祈使句句式 肯定形式 否定形式 You can't run in the classroom. 你不能在教室里跑。 No photos! No型：No 2.must与have to 禁止照相！ 十名词/动 两者都可译成“必须，应该，不得不”。 No parking！ 名词. (1)must表示说话人的主观看法，即主观上 禁止停车！ 的必要性，没有时态、人称变化。 【注意】 eg:You must work hard at your lessons. (1)用客气的语气表示祈使句时，可在句首 你们应该努力学习功课。 或句尾加上please,但如果在句尾加please, I must go home.我必须回家。 其前要加逗号。 (2)have to一般表示客观方面的必须，有时 eg:Please help me.请帮帮我。 态和人称的变化。它的第三人称单数形式 Go this way,please..请走这边。 为has to,过去式为had to。have to的疑问 (2)祈使句中如果有人名、昵称等，要用逗号 句及否定形式通常借助于助动词do/does/ 隔开，放在句首或句尾均可。 did构成。 eg:Li Hao,come here.李浩，到这边来。 eg:I have to go there..我得去那儿。 Come here,Li Hao.过来，李浩。 She has to go home now.她现在必须回家。 二、情态动词(can,have to,must) We had to stay at home yesterday. 1.can的用法 昨天我们不得不待在家里。 (1)表示能力（如体力和脑力方面），意为 You don't have to tell me this. “能；会”等。 你不必告诉我这件事。 eg:My sister can walk now. Do you have to do everything? 我妹妹现在会走路了。 每件事你都必须做吗？ (2)表示许可，意为“可以”。 (3)must的否定式为mustn't,表示“不应该， eg:You can watch TV at weekends. 禁止，不允许”。 你可以在周末看电视。 eg:You mustn't play football on the road. (3)表示请求，意为“可以，能够”。 不要在马路上踢足球。 Can you help me?你能帮我吗？ (4)have to的否定式为don't/doesn't/didn't 【特别提醒】 have to,表示“不必要”。 把can放在句首便构成一般疑问句；在can eg:You do not have to come every day. 的后面加not便构成否定句。 You needn't come every day.你不必天天来。 基础巩固 一、用can,have to,/must,can't或mustn't填 healthy. 空。（语法专练） 2.You play football on the road!It's 1.I like doing sport.It help me keep too dangerous. 3. I do homework now? -I am sorry. No,you needn't.You can do it this evening. A.Talk B.Talking 4.It's raining outside.I take an um- C.Read D.Reading brella to school. 三、根据汉语完成句子，每空一词。 5.Mr Green smoke here,because 11.插队是不礼貌的。 there's a sign on the wall.It says "No It's not polite Smoking!" 二、单项选择。（语法专练） 12.嘘，让我们在火车上轻声地讲话。 )6.-Jenny,please your seat Shh,let's on the train. belt.We must it when 13.该上课了，不要在教室里制造噪声了。 we're in a car. It's time for class.Don't -OK,Mum. in the classroom. A.put up;have 14.莎莉为什么没来上体育课？ B.put on;wear Why Sally C.put on;have PE class? D.put up;wear 15.【安全意识】开车时，你必须系上安全带。 )7. I watch TV,Mum? You must your -Sure,but you finish your while driving homework first. 四、按要求完成句子，每空一词。（语法专练） A.Must;can't B.Can;can 16.You can't bring your computer to school. C.Can;must D.Must;have to (改为祈使句) ( )8.We wear our school uniforms your computer to school. every day. 17.Don't litter.(改为同义句) A.aren't have to B.don't have 18.You must be quiet in the school library. C.don't have to (改为祈使句) D.aren't have in the school library. )9.Please late for school. I9.No eating or drinking.(改为同义句) A.isn't B.aren't You C.don't be D.not be 20.You need to go and wash your hands. )10.-Please be quiet in the library! 为祈使句) Look at the sign.It says "No and your hands,please. ” 能力提升 一、补全对话。（有一个多余选项） Dan:5. A.What else do you have? Susan:Sure,sometimes.Anyway,I like my B.But we can listen to it outside. new school. C.Do you enjoy yourself? 二、阅读短文，从方框中选择适当的词并用其 D.We can't wear hats at school. 正确形式填空，使短文通顺、意思完整。 E.But there are lots of rules at school. noise three rule park they F.We have to go to bed before 9:30. many or excite be must Dan:Hi,Susan!How is your new school? Now let me tell you about the rules in Susan:Not bad！1. some of the public places(公共场所).First,in Dan:Really?Do you have to wear school uni- the cinema,movies are 6. But when forms? the movie is on,we 7. be quiet with- Susan:Yes,we do. out making any loud(大声的)8. Dan:Can you listen to music in the classroom? Second,in the museum(博物馆)，there Susan:No,we can't.We even can't listen to it 9. a lot of wonderful(极好的)things, in the hallways.2. but don't take photos of 10. there. Dan:Can you watch TV or go out for the mov- 11. in the park,we can see ies on school nights? 12. green trees and grass.But we Susan:No,we can't.3. can't walk 13. sit on the grass.Last, Dan:Oh,there are too many rules.4. in the streets,we can drive our cars,but we Susan:We have to wear sports shoes for PE must 14. our cars in a parking place. classes.And we have to clean the class- We must follow all these 15. so that room after school every day. we can have a safe and peaceful life. Section B How can rules help us? 课前预习 必背单词 n.工作日 1. adj.不快乐的 6. adj.糟糕的；讨厌的 2. adu.也（用于否定词组后） 7. u.变成，成为 3. .训练；练习 8. addj.较好的adu.较好地 v.悬挂 n.人