英语语法祈使句.ppt

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1、祈使句 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please表客表客气。气。如果变成否定句，如果变成否定句，Dont开头是规开头是规律。律。No talking!是警示，祈使句用法是警示，祈使句用法要牢记。要牢记。祈使句的结构如下：祈使句的结构如下：(Please)+do sth.(Please)+Dont do sth.1.1.肯定：肯定：2.2.否定否定 ：3.第一人称的祈使句第一人称的祈使句 Lets+（not）动词原形动词原形 Eg.Lets go home together./lets not talk in the

2、 class.1.lets ,shall we?2.Let sb.,will you?3.祈使句祈使句 ，will you?祈使句祈使句:是表示请求、命令、建议等句子是表示请求、命令、建议等句子 通常说话的对象是通常说话的对象是 第二人第二人 称称you,you常被省常被省略。略。反意疑问反意疑问句句1.动词动词+2.Please+动词动词 3.人名人名+动词动词Be quiet.Please have a seat.David,pay attention.5.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

3、me,please!Do open the door,please!4.第三人称的祈使句：Let sb(宾格/人名)+动词原形 Let her have a try.Dont let her have a try.Turn left!Guessing GameTurn right!Guessing GameWalk on the zebra crossing!Guessing GameGuessing GameDont smoke!No smoking!Guessing GameDont play football!Guessing GameDont park your car!Guessin

4、g GameDont eat!Guessing GameDont pick the flowers!Go upstairs!Guessing GameGuessing Game Go downstairs!Lets do exercise.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 wast

5、e 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.

6、I must B.I can C.I will D.I may1.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 waste D.no waste5._ higher,and you will see the house

7、.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,please.A.Will B.Do C.Wont D.Did9._ careful!A.Be do B.

8、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 right13.Please turn on the light,_?A.are you B.shall we C.s

9、hall 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.Add17._ late again,or Ill report it to your father.A.Dont

10、 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 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.