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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2019/4/10,#,初中英语,祈使句,初中英语祈使句,1,Be happy!,Be qui,et,please.,W,ash your hands.,clap your hands,Matching Game,Be happy!Be quiet,please.Was,2,Be happy!,Be qui,et,please.,W,ash your hands.,clap your hands,Matching Game,Be happy!Be quiet,please.Was,3,一、祈使句,1,、祈使句的概念,祈使句是用来表示请求、命令、叮嘱、邀请、劝告或祝愿等的句子。,Go and wash your hands.(表命令),Be qui,et,please.(Please be quiet.)(表请求),一、祈使句1、祈使句的概念祈使句是用来表示请求、命令、叮嘱、,4,Be kind to your sister.(表劝告),Watch your steps.(表警告),No parking.(表禁止),Be kind to your sister.(表劝告),5,2,、祈使句的特点,祈使句通常省略主语you,以动词原形开头,末尾可用句号或感叹号。,Go and wash,your hands.(表命令),Be,qui,et,please.(Please be quiet.)(表请求),祈使句没有疑问句的形式,一般只有肯定和否定两种形式。,2、祈使句的特点祈使句通常省略主语you,以动词原形开头,末,6,1,、安静点,/,快点。,Be _/_.,2,、做一个好学生!,3,、过街的时候要小心。,Be,_,when crossing the street,.,1、安静点/快点。,7,二、,祈使句的肯定形式,以,系动词,be开头的祈使句,,这种祈使句的常用结构:,be+形容词/名词,Be quiet/quick!,Be a good student!,Be careful,when crossing the street,.,二、祈使句的肯定形式以系动词be开头的祈使句,这种祈使句的常,8,1,、请进!,2,、请打开你的书,!,3,、请把它们收起来!,初中英语祈使句ppt课件,9,2,-2,以实义动词开头的祈使句,这种祈使句的常用结构为:,动词原形+宾语(+其他),Come in,please,!,Please open your books,!,Put them away!,二、,祈使句的肯定形式,Know-point 2,2-2 以实义动词开头的祈使句,这种祈使句的常用结构为:二、,10,1,、让我帮助你吧。,2,、我们去公园吧。,Let,_.,Translate those sentences,1、让我帮助你吧。Translate those se,11,2-,3 let型(,l,et+宾语+动词原形+其他),Let me help you.,Let,s go to the park.,二、,祈使句的肯定形式,2-3 let型(let+宾语+动词原形+其他)二、祈使句的,12,把下列句子变成否定句,B,e careless!,Be late again next time!,把下列句子变成否定句,13,3-,1 be型,A.,Don,t,be+其他成分(形容词、名词或介词短语),Don,t be careless!,Dont be late again next time!,三、,祈使句的否定形式,Know-point 3,3-1 be型三、祈使句的否定形式Know-point 3,14,3-,1 be型,B.,用否定副词never来表示,Never be careless!,Never be late again next time!,注意:,在这种两种句型中,be不能省略,not不可置于be之后,三、,祈使句的否定形式,3-1 be型三、祈使句的否定形式,15,把下列句子变成否定句,B,elieve him!,Open the door,!,把下列句子变成否定句,16,3-,2 do型,A.,Don,t,+动词原形+其他,Don,t believe him!,Don,t,open the door,!,B.,用否定副词,never,来表示,Never,believe him,!,Never open the door!,三、,祈使句的否定形式,3-2 do型三、祈使句的否定形式,17,1,、让她不要做那件事。,2,、让他不要想这件事。,初中英语祈使句ppt课件,18,3,-3,Let型,A,.Let+宾语+,not,+动词原形+其他,Let her not do that.,让她不要做那件事。,Let,him,not think about it.,让他不要想这件事。,三、,祈使句的否定形式,3-3 Let型三、祈使句的否定形式,19,1,、不要让他做那件事。,2,、请不要让我们走。,初中英语祈使句ppt课件,20,3,-3,Let型,B,.,Don,t,+let+宾语+动词原形+其他,Don,t let Jim do that.,不要让他做那件事。,Don,t let us go,please.,请不要让我们走。,三、,祈使句的否定形式,3-3 Let型三、祈使句的否定形式,21,What do the signs mean,?,What do the signs mean?,22,3-,4 在公共场合的提示语中,否定祈使句常用“,No名词/动名词(V-ing形式)”结构,,表示“禁止做某事”。,例如:,三、,祈使句的否定形式,N,o photos,!,No parking!,3-4 在公共场合的提示语中,否定祈使句常用“No名词/,23,No Smoking,还有哪些常见的标语呢?,No Smoking还有哪些常见的标语呢?,24,4,、祈使句的其它用法(,*,),4-,1 在表达请求或劝告时,有时为了表示委婉的语气,可以在句首或句末please,但是如果please加在句末,应用逗号将其与前面的部分隔开。,Sit down,please.,Please look after the twins.,4-,2 在意思比较明显的情况下,可以把谓语动词省略。,This way,please.,4、祈使句的其它用法(*)4-1 在表达请求或劝告时,有时为,25,4-,3 有时为了加强语气,可以在动词前使用do.,Do be careful!一定要小心!,4,-4,有时为了强调对方,也可加上主语you,人名或everybody,anybody等不定代词。,You sweep the floor and I clean the window.,Stand up,everybody.,4-,5 有时为了明确向谁提出请求或发出命令,可加称呼语,但称呼语要与句子用逗号隔开。,Put the shirt on the bed,Jim.,4-3 有时为了加强语气,可以在动词前使用do.,26,1.Its an important meeting._(not,be)late.,1.Its an important meeting.,27,1.Its an important meeting._(not,be)late.,Dont be,1.Its an important meeting.,28,1.Its an important meeting._(not,be)late.,1.Its an important meeting.,29,2._,Dont make,_(not,make)any noise!,2._Dont make_(not,30,3,._(look)out!A car is coming.,3._(look)out!A,31,3,._,Look,_(look)out!A car is coming.,3._Look_(look)out,32,4,._(not,let)the baby cry.,4._(not,let)the,33,4,._,Dont let,_(not,let)the baby cry.,4._Dont let_(not,34,5,.Lets _(not,say)anything about it.,5.Lets _(not,say,35,5,.Lets _,not say,_(not,say)anything about it.,5.Lets _not say_(not,sa,36,
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