杨浩林英语祈使句.ppt

2 2Turn left.Turn right.Sit down.Stand up. Open your mouth.Close your eyes.Touch your face.Put up your hands.Turn left!Guessing GameTurn right!Guessing Game Go upstairs!Guessing GameGuessing Game Go downstairs!Guessing GameBe quiet, please!Guessing GameDont play football!Guessing GameDont eat!Guessing GameNO parking!Guessing GameLet me help you.Read and observe(观察观察)Turn left!Turn right! Please go upstairs! Go downstairs!Dont smoke!Dont play football!No smoking!Please dont eat! Be quiet, please? Let me help you.祈使句：祈使句：表示表示命令、请求、建议或劝告命令、请求、建议或劝告的句子。其主语的句子。其主语youyou常省略，谓语动词用常省略，谓语动词用原形，句末用感叹号或句号，祈使句一般原形，句末用感叹号或句号，祈使句一般只有只有肯定和否定肯定和否定两种形式。两种形式。Open the door, Daisy.Dont open the door, Daisy.Lets make a million smiles.Be quiet, girls.Dont be late again! Read the following sentences and tell their meanings.When do we use these sentences?We use these sentences to give orders or advice .Open the door, Daisy.Dont open the door, Daisy.Lets make a million smiles.Be quiet, girls.Dont be late again! Read the sentences again to see what they have in common.OpenDont openLetsBeDont beThey are called imperatives.肯定的祈使句肯定的祈使句1. 动词原形动词原形+其他其他 2. Be + adj. 3. Let + sb. + 动词原形动词原形 + 其他其他否定的祈使句否定的祈使句1. Dont + 动词原形动词原形 + 其他其他不要站起来。不要站起来。Dont stand up.别害羞。别害羞。Dont be shy. 别让他们玩火。别让他们玩火。Dont let them play with fire. 2. Let sb. + not + 动词原形动词原形 + 其他其他咱们不要在这大声吵闹。咱们不要在这大声吵闹。 Lets not make so much noise here. 不要让玛丽来这里。不要让玛丽来这里。Let Mary not come here.3. 在公共场合的提示语中，常用的结构在公共场合的提示语中，常用的结构“No名词名词 / v -ing” ，表示，表示“禁止做某事禁止做某事”No smoking!No photos!No parking!4. Never + 动词原形动词原形 + 其他其他上学从来不要迟到。上学从来不要迟到。 Never be late for school. 不要再那样做了。不要再那样做了。Never do that again.祈使句的回答祈使句的回答祈使句通常表示将来要发生的动作，所祈使句通常表示将来要发生的动作，所以回答时，一般用以回答时，一般用will或或wont。 Dont forget to do your homework. I wont. Remember to turn off the lights. I will.祈使句的反意疑问句祈使句的反意疑问句Lets , shall we?Let sb. , will you?肯定肯定/否定祈使句，否定祈使句，will you?Lets go,Let the boy go first, Dont smoke here, shall we?will you?will you?口诀口诀祈使句祈使句, ,无主语无主语, ,只用动词就可以只用动词就可以. .表示请求或命令表示请求或命令, ,加上加上please表客气。表客气。如果变成否定句如果变成否定句, ,Dont开头是规律。开头是规律。No talking!是警示是警示, ,祈使句用法要牢记。祈使句用法要牢记。1. Jim, _ me a hand. A. gives B. is giving C. will give D. give2. _ careful, Jenny! There is a tree in front of you. A. Am B. / C. Be D. Was3. Lets _ our time. A. not waste B. no wasting C. not to waste D. no waste4. _ higher, and you will see the house. OK. A. If you stand B. To stand C. When you stand D. Stand5. Please _ do it. A. he B. let him C. let he D. him6. _ let anyone open the door. A. Dont B. Will C. Not D. No7. Dont be late again. Sorry, _. A. I may B. I must C. I will D. I wont8. Call me when you get home. OK, _. A. I must B. I can C. I will D. I may11. Let John finish the work all by himself, _? A. shall we B. will you C. do you D. do we13.Please turn on the light, _? A. are you B. shall we C. shall I D. will you14. Dont tell him the fact now, _?A. shall we B. shall you C. will you D. do you15.Let the children not make so much noise, _?A. shall we B. will you C. shall I D. do youBDCB16. _ 6 and 4, and you will get ten. A. Added B. Adding C. To add D. Add17._ late again, or Ill report it to your father. A. Dont be B. You arent C. Cant be D. Arent 18.Dont interrupt her when she is speaking, _? A. wont you B. will you C. shall we D. shant we19. _ get off the lorry until it stops. A. Do B. Cant C. / D. Dont20.Lets not begin our supper until father comes back, _? A. will you B. wont you C. shall we D. shant weDABDC