反义疑问句详解(情态动词反义疑问句全解)ppt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?,Be动词am的反义疑问句,在包含有I

2、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?,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

3、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o

4、ughtnt,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 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

5、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 do it,dont we?We dare not say so, dare you?,陈述部分主语是不定代词eve

6、rybody, 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 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

7、而定,As Mr. Smith had been to Beijing for several times, 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

8、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 ?,