七年级下册Unit4语法讲练专题学案

这是一份七年级下册Unit4语法讲练专题学案，共4页。
Unit  4  单元语法讲练专题语法精讲：祈使句1.概念：表示命令、请求、劝告等的句子。2.特点：（1）无主语，省略了主语 You；（2）肯定句以动词原形开头；（3）否定句在动词原形前加Don’t；（4）为表示礼貌，通常在句前或句后加please；句末用please时，须用逗号隔开。类型结构否定形式回答Be型Be动词开头：Be quiet.Don’t be＋其他:Don't be quiet.OK./OK,I will./...Do型实意动词原形开头：Talk to Mr. Green after school.Don’t＋动词原形＋其他:Don't talk to Mr. Green after school.Sorry./Sorry, I won't. Let型Let开头: Let us play basketball.Don’t let＋宾语＋动词原形＋其他。/Let＋宾语＋not＋动词原形＋其他。Sounds great./Good./...No型 No＋名词/doing(通常用于标语):No photos, please. No parking.OK./... 区别：1.Tom, don’t run in the hallways.汤姆,不要在走廊里奔跑。（祈使句）2 Tom doesn’t run in the evening.汤姆没有在晚上跑步。（陈述句）语法精练1.用括号内所给单词的正确形式填空。1.________ (not eat) in the classroom.2.Cindy________ (wear) a uniform every day.3.Mary, ________ (be) quiet in the library.4.Don't________ (arrive)late for school, Alice.5.No ________(talk) here.6. ________ (not talk). It's time for class.7.Mike, ________ (be) quick, or you'll be late for school.8.Let's________ (drink) some milk; it's good for health. 答案:1.Dont’t eat2.wears3.be4.Arrive5.Talking6.Dont’t7.be8.drink2.单项选择。1.- Don't run in the hallways!  -________.A. Thanks a lotB. That sounds boringC.OKD. Sorry, I won't2.-Be on time for school, Jenny.-____________A. SorryB. I canC. I don’tD. OK3.Paul________ watch TV on school days.A. don'tB. can'tC. have toD. not4.Tom, ________  in the sun. It's bad for your eyes.A. not readB. doesn't readC. not readingD. don't read5.-Dad,must I finish my homework first? -Yes, you________  .A. needn'tB. needC. mustD. mustn't6.There is a sign. It says, “No________ .”A. parkB. parksC. to parkD. parking7.The old man is tired. Please let him________  on the chair.A. sitB. to sitC. sittingD. sits8.The baby is sleeping. Please________  quiet.A. isB. amC. areD. be9. I want to practice________  the piano.A. playB. to playC. playingD. played10. He’ll arrive________  Shanghai________  the afternoon of May the tenth.A. on; onB. in; inC. in; onD. at; in11. Which sign means “No photos"?A.B.C.D.12. Peter, remember this ________  story to your sister.A. to readB. readsC. readingD. read13. Don’t     ________  late for school.A. isB. beC. arrivesD. was14. Don’t be late________  ________  class. We must be on time.A. forB. toC. in 15. –Mum, may I go swimming now?-Yes, dear, but remember that you ________  go with your dad.A. mayB. canC. must 16. Bruce practices________  basketball every day so that he can be a better player.,A. playB. to playC. playing 17. –Mum, ________  I play football this afternoon? -Sure, but you________  finish your homework first.A. may; couldB. can; mustC. can; mustn'tD. may; can't18. ________  carefully, please! Look at the road sign. There is a school ahead.A. DriveB. To driveC. Driving 19. Look at the “No Photos” sign. You________  take photos in the art museum.A. shouldB. canC. needn'tD. mustn't20. The drivers have to________  the traffic rules and control themselves if they want to be safe on the road.A .followB. breakC. make 21. I live in a(n)________  neighborhood. Many people and cars come and go often.A. quietB. emptyC. noisyD. lonely答案:1.D2.D3.B4.D5.C6.D7.A8.D9.C10.C11.D12.A13.B14.A15.C16.C17.B18.A19.D20.A21.C 3根据所给提示，完成句子。每空一词，含缩略词。1.Bring your sports shoes to school next week.（改为否 定句）________ ________ your sports shoes to school next week.2.You must eat breakfast every day．（改为祈使句）________ breakfast every day.3.You can’t talk in the music room．（改为祈使句）________ ________ talk in the music room.答案:1.Dont’t bring   2.Eat  3.Don’t talk4.根据汉语意思完成句子1.认真听我说。________ ________ me carefully.2.上学不要迟到。________ ________ late for school.3.让他不要出去。________ ________ him________ out.4.让我们帮助他吧。________ ________ him.答案 :1.Listen to2.Don’t be3.Don’t let  go4.Let’s help