初级中学英语语法-祈使句.ppt

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1、,Draw the conclusion (得出结论),祈使句的结构如下： (Please) + do sth. (Please) + Dont do sth.,肯定：,否定：,祈使句( Imperative Sentence）表命令、请求、劝告、警告等. 祈使句因对象（即主语）是第二人称，所以通常被省略。谓语动词用原形，句末则使用感叹号或句号,读降调。,Lets do exercise.,1. Jim, _ me a hand. A. gives B. is giving C. will give D. give 2. _ careful, Jenny! There is a tree in

2、 front of you. A. Am B. / C. Be D. Was 3. Lets _ our time. A. not waste B. no wasting C. not to waste D. no waste 4. _ higher, and you will see the house. OK. A. If you stand B. To stand C. When you stand D. Stand,Exercises:,5. Please _ do it. A. he B. let him C. let he D. him 6. _ let anyone open t

3、he door. A. Dont B. Will C. Not D. No 7. Dont be late again. Sorry, _. A. I may B. I must C. I will D. I wont 8. Call me when you get home. OK, _. A. I must B. I can C. I will D. I may,Exercises:,祈使句的句型：,1、肯定的祈使句 句型: 1)动词原形（省略主语） Come in! Be quiet! Be a good boy! 2)有时为了加强语气，可以在动词之前加do表示“务必，一定”。 Do c

4、ome on time! Do look out!,祈使句的句型：,2、祈使句的否定 句型： 1)Dont+v. Dont be late. Dont come out. 2)Lets+not+v. Lets not speak loudly. 让我们不要大声说话。,Giving orders / instructions,祈使句常见题型： 1.Lets + （not）动词原形 Eg. Lets go home together./ lets not talk in the class. 2. lets , shall we? 3.Let sb . , will you? 4.祈使句 ， wi

5、ll you?,反意疑问句,祈使句,祈使句,无主语,只用动词就可以. 表示请求或命令,加上please表客气。 如果变成否定句， Dont开头是规律。 No talking!是警示，祈使句用法要牢记。,1 -Its her birthday next week. - Then_ her about the surprise birthday. 2 How can I get to Peoples Hospital? -_ along the street and _ left at the lights.,P49.Read the dialogues and complete them wit

6、h Imperatives and the correct form of the verbs.,dont tell,turn,Go,3 -We have to finish the work in two hours. - Then lets_ any time. 4 -_so much noise, please. - Ok. 5 -_out! Theres a car coming. - Thanks.,not waste,Dont make,Look,Lets do more exercises.,1. Call me when you get home. OK, _. A. I mu

7、st B. I can C. I will D. I may 2. Jim, _ me a hand. A. gives B. is giving C. give D. will give 3. Let me _ on duty today. A. am B. / C. be D. do 4. Lets _ our time. A. not waste B. no wasting C. not to waste D. no waste 5. _ higher, and you will see the house. OK. A. If you stand B. To stand C. When

8、 you stand D. Stand,C,C,C,A,D,Choose the correct answer.,6. _ forget to write to me when you _ get there next Tuesday. A. Dont; will B. Please; will C. Please; / D. Dont; / 7. Please _ do it. A. he B. he let C. let him D. him 8. _ come in, please. A. Will B. Do C. Wont D. Did 9. _ careful! A. Be do

9、B. Do be C. Not D. Not do 10. _ let anyone open the door. A. Dont B. Will C. Not D. No,D,C,B,B,A,11. Let John finish the work all by himself, _? A. shall we B. will you C. do you D. do we 12. -Lets go home, shall we? - _. A. Thats right. B. Thats all C. Thats all right D. All right 13.Please turn on

10、 the light, _? A. are you B. shall we C. shall I D. will you 14. Dont tell him the fact now, _? A. shall we B. shall you C. will you D. do you 15.Let the children not make so much noise, _? A. shall we B. will you C. shall I D. do you,B,D,D,C,B,祈使句结构如下： (Please) + do sth. (Please) + Dont do sth.,Summary,肯定：,否定：,DO，可以放在动词前，为加强语气用。 如：Do come in,please! Do listen to me ,please! Do open the door,please!,Thanks,for,Listening,