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单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,.,*,单击此处编辑母版标题样式,单击此处编辑母版标题样式,Listen to the question.,Who can answer it?,.,Please be quite!,I am reading the book.,.,Lets go to the cinema!,.,Go upstairs!,.,No smoking!,.,祈 使 句,.,content,什么是祈使句,祈使句的肯定式,祈使句的否定式,祈使句的反义疑问句,.,content,什么是祈使句?,表示请求、命令、建议、祝愿、叮嘱或禁止的句子叫祈使句。用于祈使句句首的动词总是用原形,不能用其他形式。,.,表示各种情感的祈使句,Turn off the TV,please.,(请关上电视。,请求,),Go and wash your hands.,(去洗你的手。,命令,),Lets get down to work.,(咱们开始工作吧!,建议,),Have a nice day!,(过个愉快的一天,祝愿,),Be kind to our sister.,(对姊妹要和善。,叮嘱,),No parking!,(禁止停车 ,禁止,),.,content,祈使句的主语?,祈使句的主语通常为第二人称(you),但一般都被省略,只有在特殊的情况下才把主语(you)补充出来。如:,You be quiet!你安静!,You go and tell him,Chris.克立斯,你去告诉他。,You wait here for a moment.你在这儿等一会儿。,有时祈使句的主语也可以是everybody,somebody,anybody,nobody等不定代词。如:,Stand up,everybody!全体起立!,Nobody move.任何人都不许动。,.,祈使句的肯定式,1.,Do型,(即:动词原形+其它成分)。,如:Please have a seat here.请这边坐。,有的祈使句在意思明确的情况下,动词可省略。,如:This way,please.=Go this way,please.请这边走。,2.,Be型,(即:Be+表语(名词或形容词)+其它成分)。,如:Be a good boy!要做一个好孩子!,3.,Let型,(即:Let+宾语+动词原形+其它成分),Lets go at once.咱们马上动身吧。Let me try again.让我再试试。Let Tom go there himself.让汤姆自己去那儿。,.,祈使句的否定式,1.,Do型和Be型,Do型和Be型的否定式都是在句首加dont构成。,如:Dont forget me!不要忘记我!,Dont be late for school!上学不要迟到!,2.,Let型,Let型的否定式有两种:“Dont+let+宾语+动词原形+其它成分”和“Let+宾语+not+动词原形+其它成分”。,如:Dont let him go./Let him not go.别让他走。,3,.,以No开头,有些可用no开头,用来表示禁止性的祈使句,。,如:No smoking!禁止吸烟!No fishing!禁止钓鱼!,.,祈使句的反义疑问句,1.,肯定祈使句,肯定祈使句的反意疑问句反问部分用will you 或wont you。,Please open the door,will/wont you?请把门打开,好吗?,2.,否定祈使句,否定祈使句的反意疑问句反问部分只用will you。,Dont be late again,will you?别再迟到了,行不行?,.,3.,Let,型祈使句,:,Lets phone her now,?,我们现在就给她打电话,好吗?,Let us know your address,?,请把你的地址告诉我们,好吗?,表示请求或命令时,用 will you;表示建议或劝诱时,用 shall we。,Shall we?,Will you,.,Conclusion,否定式,反义疑问句,肯定式,1.Do型和Be型,2.Let型,3.以No开头表禁止,1.肯定句的反义疑问句,2.否定句的反义疑问句,3.Let的反义疑问句,1.Do型,2.Be型,3.Let型,.,Exercises,1._ me the truth,or Ill be angry.,A.Telling B.To tell C.Told D.Tell,2._ late again,Bill!,A.Dont to be,B.Dont be C.Not be D.Be not,3.Please help me carry it,_?,A.will I,B.will you,C.shall I D.shall we,4.Dont make so much noise,_?,A.,will you,B.wont you C.shall we D.do you,.,Thank you!,.,
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