祈使句讲解课件.ppt

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1、刘刘 君君祈使句详解祈使句详解祈使句祈使句祈使句祈使句,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pleaseplease表客表客气。气。如果变成否定句，如果变成否定句，DontDont开头是规开头是规律。律。No talking!No talking!是警示，祈使句用法要是警示，祈使句用法要牢记。牢记。Read and observe(观察观察)Turn left!Turn right!Please go upstairs!Go downstairs!Walk on the zebra crossing!Dont smoke!Dont play foo

2、tball!Dont park your car!Please dont eat!Dont pick the flowers!Draw the conclusion(得出结论得出结论)祈使句的结构如下：祈使句的结构如下：(Please)+do sth.(Please)+Dont do sth.肯定：肯定：否定否定：记住记住 “VBLDVBLD”,正确使用祈使句正确使用祈使句1.1.“V V”结构结构(动态句动态句)行为动词原形行为动词原形V.+V.+宾语宾语+其他其他.Give me a cup of tea,please.Give me a cup of tea,please.Stand u

3、p!Stand up!Open the door,please.Open the door,please.Put up your hand(s),please.Put up your hand(s),please.Please sit down.Please sit down.实战实战 (2008(2008资阳中考资阳中考)“_ exercise every _ exercise every day,my child.Itday,my child.Its good for your s good for your health.health.”Father said.Father said.A

4、.Taking B.To take A.Taking B.To take C.Take D.Takes C.Take D.Takes正确答案：正确答案：C C记住记住 “VBLDVBLD”,正确使用祈使句正确使用祈使句2.2.“B B”结构结构(静态句静态句)Be+Be+表语表语(名词名词,形容词形容词)+)+其他其他.Be careful!Be careful!Be quiet!Be quiet!Be a good student.Be a good student.Be a true man.Be a true man.记住记住 “VBLDVBLD”,正确使用祈使句正确使用祈使句2.2.“

5、B B”结构结构(静态句静态句)Be+Be+表语表语(名词名词,形容词形容词)+)+其他其他.Be careful!Be careful!Be quiet!Be quiet!Be a good student.Be a good student.Be a true man.Be a true man.实战实战 (2008(2008南通中考南通中考)“Sorry for being late Sorry for being late again.again.”-“_ here on time next _ here on time next time,or youtime,or youll be

6、 punished.ll be punished.”A.Be B.Being A.Be B.Being C.To be D.Been C.To be D.Been正确答案：正确答案：A A记住记住 “VBLDVBLD”,正确使用祈使句正确使用祈使句3 3.“L L”结构结构(使役句使役句)Let+Let+人称代词宾格人称代词宾格+V.+V.原形原形+其他其他.表示一种建议表示一种建议.用于第一用于第一,三人称三人称.Let me help you.Let me help you.Let us have a rest.Let us have a rest.LetLets go out for a

7、 walk.s go out for a walk.LetLets clean the classroom.s clean the classroom.Let the boy come in.Let the boy come in.Let him sit beside you.Let him sit beside you.实战实战(重庆）重庆）The work is hard for you.The work is hard for you._me help you._me help you.A.A.Let Lets B.Lets B.LetC.Letting D.Let toC.Lettin

8、g D.Let to正确答案：正确答案：B B记住记住 “VBLDVBLD”,正确使用祈使句正确使用祈使句4.4.“D D”结构结构(否定句否定句)DonDont+t+祈使句祈使句.DonDont be careless.t be careless.DonDont be late for school.t be late for school.DonDont open the window.t open the window.DonDont let the children play on t let the children play on the road.the road.实战实战(20

9、08(2008嘉兴中考嘉兴中考)Sara!_ talk loudly.)Sara!_ talk loudly.The baby is sleeping right now.The baby is sleeping right now.A.Do B.Does A.Do B.Does C.Don C.Dont D.Doesnt D.Doesnt t正确答案：正确答案：C CHomeworkHomework1.Please open your books.(1.Please open your books.(变否定变否定)Please _ _ your books.Please _ _ your b

10、ooks._ _your books,please._ _your books,please.2.Let2.Lets do it together.(s do it together.(变否定变否定)Let Lets _ _ it together.s _ _ it together.3.Let Jack clean the blackboard.3.Let Jack clean the blackboard.Let Jack _ _ the blackboard.Let Jack _ _ the blackboard.4.Close the window,_ _?4.Close the wi

11、ndow,_ _?5.Let5.Lets play games,_ _?s play games,_ _?6.Let us go to the Great Wall,_6.Let us go to the Great Wall,_ _?_?7.Close your eyes,please.7.Close your eyes,please._ _ please close your eyes?_ _ please close your eyes?Lets do exercise.1.Jim,_ me a hand.A.gives B.is giving C.will give D.give2._

12、 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

13、.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 may1.Dont be late again,Mike?_.A.No,I dont B.Dont worryC.Sorry,I wont D.I dont know【解析解析】选选C。2.Which sign means“No Photos”?【解析解析】选选C。禁止拍照。禁止拍照。3.Tom!_

14、talk loudly.My little brother is sleeping.A.Do B.Does C.Dont D.Doesnt4.Sorry for being late again._here on time next time,or youll be punished.A.Be B.Being C.To be D.Been【解析解析】选选A。【解析解析】选选C3.Tom!_ talk loudly.My little brother is sleeping.A.Do B.Does C.Dont D.Doesnt4.Sorry for being late again._here

15、 on time next time,or youll be punished.A.Be B.Being C.To be D.Been【解析解析】选选A。【解析解析】选选C5.Hurry up,or you will miss the train.(改改为为同义句同义句)_you _ hurry up,you will miss the train.【解解析析】If;dont。祈祈使使句句+or+简简单单句句。可可转换为转换为if引导的条件状语从句的复合句。引导的条件状语从句的复合句。祈使句的句型：祈使句的句型：Be quiet.Please have a seat.David,pay att

16、ention.Dont be afraid.Please do not make a noise.Alan,dont be late.1.动词动词+2.Please+动词动词 3.人名人名+动词动词肯肯定定否否定定在动词前面在动词前面加加dont否否定定 祈使句祈使句:是表示请求、命令、建议等句子，通是表示请求、命令、建议等句子，通常说话的对象是第二人称常说话的对象是第二人称you,you常被省略。常被省略。祈使句常见题型：祈使句常见题型：1.Lets+（not）动词原形动词原形 Eg.Lets go home together./lets not talk in the class.2.le

17、ts ,shall we?3.Let sb.,will you?4.祈使句祈使句 ，will you?反意疑问反意疑问句句Lets do more exercises.1.Call me when you get home.OK,_.A.I must B.I can C.I will D.I may2.Jim,_ me a hand.A.gives B.is giving C.give D.will give3.Let me _ on duty today.A.am B./C.be D.do4.Lets _ our time.A.not waste B.no wasting C.not to

18、waste D.no waste5._ higher,and you will see the house.OK.A.If you stand B.To stand C.When you stand D.StandCCCADChoose 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.him8._ come in,

19、please.A.Will B.Do C.Wont D.Did9._ careful!A.Be do B.Do be C.Not D.Not do10._ let anyone open the door.A.Dont B.Will C.Not D.NoDCBBA11.Let John finish the work all by himself,_?A.shall we B.will you C.do you D.do we12.-Lets go home,shall we?-_.A.Thats right.B.Thats all C.Thats all right D.All right1

20、3.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 youBDDCB16._ 6 and 4,and you will get ten.A.Added B.Adding C.To add D.Add1

21、7._ 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

22、B.wont you C.shall we D.shant weDABDCon the roadin classin the dining roomin class1.Be quiet.2.Take notes.3.Listen to the teacher carefully.4.Dont eat in class.on the road1.Walk on the zebra crossing.2.Be careful.3.Dont play football.4.Dont run fast.in the restaurant1.Line up.2.Dont push.3.Dont make noise.4.Dont waste food.祈使句结构如下：祈使句结构如下：(Please)+do sth.(Please)+do sth.(Please)+(Please)+DonDont t do sthdo sth.肯定：肯定：否定：否定：DO，可以放在动词前，为加强语气用。，可以放在动词前，为加强语气用。如：如：Do come in,please!Do listen to me,please!Do open the door,please!