反义疑问句详解(情态动词反义疑问句全解).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?,Be动词am的反义疑问句,在包含有I am的陈述句之后

2、，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?,陈述句中有must的反义疑问句,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?,must作“一定”“准是”解，表推测时，反义疑问句的助动词要与mus

3、t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havent/hasnt+主语。eg:You must have told her about 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

4、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 they,陈述部分的谓语是used to 时，疑问部分用didnt+主语或 usednt+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

5、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 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

6、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 ready,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,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 ti

7、mes,he should have been in China now,shouldnt he?,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?,上述部分主句谓语是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

8、 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?,