反义疑问句详解情态动词反义疑问句全解课件.ppt

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1、高三英语总复习英语备课,组,反义疑问句详解,（情态动词反义疑问句全解）,-Myra,构成反义疑问句的助动词通常陈述句中的助,动词或情态动词，或者系动词,be,。若陈述句中,不包含助动词或情态动词时，要用相应的,do,does,did,构成的反义疑问句，前后时态要保,持一致,1.,陈述部分肯定式,+,疑问部分,否定式,eg:,They work here,dont,they?,She was ill yesterday,wasnt she,?,2.,陈述部分否定式,+,疑问部分肯,定式,You didnt go,did you?,He cant ride a bike,can he?,?,在包含

2、有,I am,的陈述句之后，反义疑,问句应使用,arent I?,eg:Im late,arent I?,?,在包含有,I am not,的陈述句之后，反,义疑问句应使用,am I?,eg:I am not a student,am I?,?,must,意为“必须”时，反义疑问,句中可使用,must,need,；,eg:,They must clean the floor,mustnt,/neednt they?,?,mustnt,表示“不允,许”“禁止”之意时，可使,用,must,或,may,构成反义疑问,句；,eg:,We mustnt be,late,must/may we?,?,mus

3、t,作“一定”“准是”解，,表推测时，反义疑问句的助动词要,与,must,后面的动词相呼应。,eg:,They must be playing,outside,arent they?,注意：,must have done,形式表示对,过去的推测时,?,若有明确的过去时间状语，则后面,的动词用过去式,eg,：,It must have rained last,night,didnt it?(,有明确的过去时间的,时间状语修饰，故用,didnt,）,?,若没有明确的过去时间状语或强调,完成式，则用,haven,t/hasnt,+,主语。,eg:You must have told her abou

4、t,it,havent you?,陈述句中含有助动词,ought to,时，,反义疑问句既可以使用,oughtnt,也可以使用,shouldnt,eg:We ought to go,now,shouldnt/oughtnt we?,陈述部分有,have to+v.,(had to+v.),，疑问部分常用,dont+,主语（,didnt+,主语）,?,eg:,He has to get up at four,tomorrow,dosent he?,They had to leave early,didnt the,y,陈述部分的谓语是,used to,时，,疑问部分用,didnt+,主语或,us

5、ednt+,主语,eg:He used to live in,London,usednt/didnt he?,陈述部分有,had better+v.,疑问句部分用,hadnt you?,eg:Youd better read it by yourself,hadnt you?,带情态动词,dare,或,need,的反,意疑问句，疑问部分常用,need(dare)+,主语,We need not do it again,need,we,?,He dare not say so,dare you?,当,dare,need,为实义动词,时，疑问部分用助动词,do+,主语,eg:,We need to

6、 do it,dont we?,We dare not say so,dare you?,?,陈述部分主语是不定代词,everybody,anyone,somebody,nobody,no one,等，疑问部分常用复数,they,，,有时也用单数,he,。,Everyone knows the answer,dont they?,(does he?),Nobody knows about it,do they?,(does he?),?,陈述部分主语是指示代词或不,定代词,everything,that,this,nothing,疑问部分主语用,it,。,eg:,Everything is r

7、eady,isnt it?,陈述部分为主语从句或并列复,合句，疑问部分有三种情况,1.,并列复合句疑问部分，谓语动词,根据邻近从句的谓语而定,As Mr.Smith had been to Beijing,for several times,he should,have been in China now,shouldnt he?,2.,带有定语从句，宾语从句的主,从复合句，疑问部分谓语根据主,句的谓语而定,He is not the man who gave us a,talk,is he?,He said he wanted to visit Japan,didnt he?,3.,上述部分

8、主句谓语是,I;we,think,believe,expect,suppose,imagine,等引导的宾,语从句，疑问部分与宾语从句,相对应构成反意疑问句,I dont think he is bright,is he?,We believe she can do it better,cant she?,感叹句中，疑问部分用,be+,主语,What colours,arent they?,What a smell,isnt it?,省去主语的祈使句的反意疑问句，,疑问部分用,will you,。,Dont do that again,will you?,Go with me,will you/wont you,?,注意,:,Lets,开头的祈使句，后用,shall we?,Let us,开头的祈使句，后用,will you?,Lets go and listen to the music,shall we?,Let us wait for you in the,reading-room,will you,?,