英语祈使句.ppt

1、,2,Grammar A,祈使句,Turn left.Turn right.Sit down.Stand up.Open your mouth.Close your eyes.Touch your face.Put up your hands.,Simon says,Turn left!,Guessing Game,Turn right!,Guessing Game,Go upstairs!,Guessing Game,Guessing Game,Go downstairs!,Guessing Game,Be quiet,please!,Guessing Game,Dont play foot

2、ball!,Guessing Game,Dont eat!,Guessing Game,NO parking!,Guessing Game,Let me help you.,Read and observe(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：表示命令、请求、建议或劝告的句子。其主语you常省略，谓语动词用原形，

3、句末用感叹号或句号，祈使句一般只有肯定和否定两种形式。,Read and think,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,D

4、aisy.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 be,They are called imperatives.,肯定的祈使句1.动词原形+其他,Stand up!,Sit down,please!,2.Be+adj.,Be quiet,please!,Be careful!,3.Let+sb.+动词

5、原形+其他,Lets go to school!,否定的祈使句1.Dont+动词原形+其他不要站起来。Dont stand up.别害羞。Dont be shy.别让他们玩火。Dont let them play with fire.,2.Let sb.+not+动词原形+其他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。Let Mary not come here.,3.在公共场合的提示语中，常用的结构“No名词/v-ing”，表示“禁止做某事”,No smoking!,No photos!,No parking!,4.Never+

6、动词原形+其他上学从来不要迟到。Never be late for school.不要再那样做了。Never do that again.,祈使句的回答祈使句通常表示将来要发生的动作，所以回答时，一般用will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Lets,shall we?Let sb.,will you?肯定/否定祈使句，will you?Lets go,Let the boy go first,Dont smoke here,shall w

7、e?,will you?,will you?,口诀,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.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._

8、 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.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 m

9、ust B.I can C.I will D.I may,Exercises:,11.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

10、much noise,_?A.shall we B.will you C.shall I D.do you,B,D,C,B,16._ 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 we,D,A,B,D,C,