《祈使句总结》PPT课件.ppt

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1、By Sally Go and wash your hands.（去洗你的手。命令）Be quiet,please.（Please be quiet.）（请安静。请求）Be kind to our sister.（对姊妹要和善。劝告）Watch your steps.（走路小心。警告）(禁止乱扔垃圾。禁止)No littering.Turn left!Guessing GameTurn right!Guessing GameBe quiet,please.Go upstairs!Guessing GameGuessing Game Go downstairs!Let me help you.G

2、uessing GameDont smoke!No smoking!Guessing GameDont play football!Guessing GameDont park your car!Guessing GameDont eat!Guessing GameDont pick the flowers!Dont sleep in classRead and observe(观察观察)Turn left!Turn right!Please go upstairs!Go downstairs!Keep off the grass.Let me help you.Be quiet,please

3、.Dont smoke!Dont play football!Dont park your car!Please dont eat!Dont pick the flowers!Dont sleep in class.肯定结构肯定结构:1.Do型型(即即:动词原形动词原形(+宾语宾语)+其它成分其它成分)。如如:Please have a seat here.=Have a seat here,please.请这边坐。请这边坐。有的祈使句在意思明确的情况下有的祈使句在意思明确的情况下,动词可省略。如动词可省略。如:This way,please.=Go this way,please.请这边走。

4、请这边走。2.Be型型(即即:Be+表语表语(名词或形容词名词或形容词)+其它成分其它成分)。如如:Be a good boy!要做一个好孩子要做一个好孩子!3.Let型型(即即:Let+宾语宾语+动词原形动词原形+其它成分其它成分)。如如:Let me help you.让我来帮你。让我来帮你。否定结构否定结构:1.Do型和型和Be型的否定式都是在句首加型的否定式都是在句首加dont构成构成。如如:Dont forget me!不要忘记我不要忘记我!Dont be late for school!上学不要迟到上学不要迟到!2.Let型的否定式有两种型的否定式有两种:“Dont+let+宾语宾

5、语+动词原形动词原形+其它成分其它成分”“Let+宾语宾语+not+动词原形动词原形+其它成分其它成分”。如如:Dont let him go./Let him not go.别让他走。别让他走。3.有些可用有些可用no开头开头,用来表示禁止性的祈使句。用来表示禁止性的祈使句。如如:No smoking!禁止吸烟禁止吸烟!No fishing!禁止钓鱼禁止钓鱼!祈使句用法口诀祈使句用法口诀祈使句，无主语，只要动词就可以；祈使句，无主语，只要动词就可以；表示请求或命令，加上表示请求或命令，加上pleaseplease表客气；表客气；如果变成否定句，如果变成否定句，DontDont开头是旋律；开头

6、是旋律；NO talking NO talking！是警示，祈使用法要牢记！是警示，祈使用法要牢记！轻松小练习1.咱们一起玩吧2.请不要迟到.3.回答这个问题.4.请保持安静。5.不要让我走！1.Lets play together!2.Dont be late.3.Answer this question.4.Keep silent,please.5.Dont let me go!祈使句结构如下：祈使句结构如下：肯定：肯定：1.Do型型(即即:动词原形动词原形(+宾语宾语)+其它成分其它成分)。2.Be型型(即即:Be+表语表语(名词或形容词名词或形容词)+其它成分其它成分)3.Let型型(

7、即即:Let+宾语宾语+动词原形动词原形+其它成分其它成分)。否定：否定：1 1.Do型和型和Be型的否定式都是在句首加型的否定式都是在句首加dont构成构成。2.Let型的否定式有两种型的否定式有两种:“Dont+let+宾语宾语+动词原形动词原形+其它成分其它成分”“Let+宾语宾语+not+动词原形动词原形+其它成分其它成分”。3.有些可用有些可用no开头开头,用来表示禁止性的祈使句。用来表示禁止性的祈使句。Translate the sentences into English请照看好您的包.Please look after your bag。让我们去学校吧！Lets go to s

8、chool不要把书放这儿Dont put the book here1.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

9、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 may 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

10、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.lets ,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 g

11、iving 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.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 the

12、re 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.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.sha

13、ll 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.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 n

14、oise,_?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 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._ ge

15、t 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.