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1、Unit 3Grammar and usage2021/8/11 星期三1反意疑问句反意疑问句 Question tags2021/8/11 星期三2反意疑问句的使用有以下几个问题需要反意疑问句的使用有以下几个问题需要注意：注意：一、前肯后否一、前肯后否You are going to Nanjing next month,arent you?He didnt pass English text,did he?2021/8/11 星期三3二、前后二、前后be动词、助动词和情态动词的一致动词、助动词和情态动词的一致性性He always tells the truth,_?Hes never b
2、een there,_?Youd rather stay at home on Sundays,_?Youd like to go to bed earlier,_Hed better leave early,_?doesnt hehas hewouldnt youwouldnt youhadnt he2021/8/11 星期三4三、反意疑问句的答语三、反意疑问句的答语回答反意疑问句一般都用回答反意疑问句一般都用yes或或no。You are not going out today,are you?No,I am not.Yes,I am.2021/8/11 星期三5反意疑问句的几种反意疑问句
3、的几种特殊形式特殊形式Ms Li never punishes her students,_?1.陈述部分含有陈述部分含有no,scarcely,hardly,never,seldom,few,little(几乎没有几乎没有),rarely,nothing,nobody,neither,none等等否定词否定词和和半否定词半否定词时，疑问部分用肯定形式。时，疑问部分用肯定形式。2021/8/11 星期三6It is impossible,_?He is unkind to his classmates,_?注意：注意：否定前缀否定前缀(im-,un-,il-,dis-等等)或后缀或后缀(-le
4、ss等等)不能视为否定不能视为否定词，词，其反意疑问句仍用否定形式。其反意疑问句仍用否定形式。2021/8/11 星期三72.陈述部分是省去主语的祈使句时，疑问部陈述部分是省去主语的祈使句时，疑问部分一般用分一般用will you。Dont be late next time,_?Write to me soon,_?2021/8/11 星期三8Lets start with the song,_?Let us help you,_?注意：注意：Lets 开头的祈使句，疑问部分开头的祈使句，疑问部分用用shall we，Let us 开头的祈使句，开头的祈使句，疑问部分用疑问部分用will y
5、ou。如：如：2021/8/11 星期三93.陈述部分为带陈述部分为带宾语从句宾语从句的主从复合句时，的主从复合句时，疑问部分的主语和谓语一般和主句保持疑问部分的主语和谓语一般和主句保持一致一致。如：。如：He said he wanted to visit Beijing,_?didnt he2021/8/11 星期三10I dont think he is clever,_?We believe she can do it better,_?但如果陈述部分是但如果陈述部分是I(dont)think/suppose/believe/imagine/expect/feel/guess/susp
6、ect(主主语还可以是语还可以是we)等时，疑问部分的主语和谓等时，疑问部分的主语和谓语却要和语却要和宾语从句宾语从句保持一致，而且包括保持一致，而且包括否否定转移定转移,但但仅限于第一人称仅限于第一人称。2021/8/11 星期三11He doesnt think you can pass the exam,_?Mary expected that her mother could go on a holiday with them,_？,但如果陈述部分是但如果陈述部分是第二，第三人称时，则第二，第三人称时，则与一般的宾语从句一样，与一般的宾语从句一样，疑问部分的主语疑问部分的主语和谓语要和
7、和谓语要和主语从句主语从句保持一致，而且保持一致，而且否定否定不转移不转移。does hedidnt she2021/8/11 星期三121.I told him that you had finished the work,_?2.You think he comes from Japan,_?3.He doesnt guess you are right,_?4.We dont imagine that he has lied to us,_?5.I dont suppose she will help him,_?6.I dont think you are wrong,_?has he
8、does hedont youdidnt IPracticewill sheare you2021/8/11 星期三13陈述部分的谓语是陈述部分的谓语是wish时时，如主语是，如主语是I,weI,we时，疑问部分要用时，疑问部分要用may+主语主语，而且前后都要用肯定形式。如：而且前后都要用肯定形式。如：I wish to go to Beijing,_?I wish to go home now,_?may I 2021/8/11 星期三14He used to be a bad boy,_?There used to be a big building here,_?陈述部分的谓语是陈述部
9、分的谓语是used to时，疑问部分时，疑问部分用用didnt+主语主语或或 usednt+主语主语。如：。如：usedt/didnt heusedt/didnt there2021/8/11 星期三156.陈述部分是陈述部分是Im.句型时，疑问部分要用句型时，疑问部分要用 arent I。如：。如：Im an English teacher,_?2021/8/11 星期三167.陈述部分的主语是指示代词陈述部分的主语是指示代词this,that或不或不定代词定代词(everything,nothing,anything,something等等),不定式不定式(to do),动名词动名词(do
10、ing)或从句时或从句时,疑问部分主语用疑问部分主语用it。如：。如：That he has come back from Japan is true,_?Everything is ready,_?To see is to believe,_?Looking good is important to women,_?What you said is true,_?2021/8/11 星期三178.陈述部分主语是不定代词陈述部分主语是不定代词everybody,anyone,somebody,nobody,no one,everyone等，疑问部分主语常用复数等，疑问部分主语常用复数they，
11、有时也用单数有时也用单数he。如：。如：Everyone knows the answer,_?Nobody knows about it_?No one would object,_?2021/8/11 星期三189.当当陈述部分有陈述部分有must时时,若若must作作“必须必须”讲时讲时,其反意疑问部分用其反意疑问部分用neednt;当含有当含有mustnt(不允许不允许,禁止禁止)时时,其反意疑问部分用其反意疑问部分用must;当当must表示推测表示推测,作作“一定一定,准是准是”讲讲时时,反意疑问部分的动词形式根据反意疑问部分的动词形式根据must后边后边的动词形式确定的动词形式确
12、定。needntmustarentYou must go now,you?You mustnt smoke here,you?You must be hungry now,you?2021/8/11 星期三19You must have watched that football match last night,didnt you?He must have got scholarship last term,didnt he?He must have got scholarship,hasnt he?2021/8/11 星期三20注意注意:若陈述部分中若陈述部分中must have done
13、表示对过去表示对过去某一时间情况的推测某一时间情况的推测,疑问部疑问部分用分用didnt;若若must have done表示表示对现在完成动作或对现在完成动作或存在状态的推测存在状态的推测,疑问部分用疑问部分用havent/hasnt。You must have watched that football match last night,_?He must have got scholarship last term,_?He must have got scholarship,_?2021/8/11 星期三2110.dare,need作情态动词时用作情态动词时用dare,need;做实义
14、动词用做实义动词用do,doesHe dare not try it again,_?He dares to try it again,_?You neednt work so hard,_?You dont need to work hard,_?dare hedoesnt heneed youdo you2021/8/11 星期三2211.Ought to 附加疑问句可用附加疑问句可用ought,也可用也可用shouldThe child ought to be pinished,_?oughtnt/shouldnt he2021/8/11 星期三2312.Have表拥有时，用表拥有时，用
15、have/do;不不表示拥有时用表示拥有时用do;have to常用常用do,也也可用可用have.He has a computer,_?He has to get up early,_?hasnt/doesnt hedoesnt he2021/8/11 星期三24Practice 1.Im late,_?2.I think everyone will be here,_?3.Youd play music rather than watch TV,_?4.I dont think John went back home early last night,_?5.Hes a good tea
16、cher,_?6.Hed written to you before you phoned,_?7.Lets go to the gym after school,_?arent I wont they/he wouldnt you isnt he did he hadnt heshall we2021/8/11 星期三25Come here,_?Let us start with the song,_?I wish to go to Beijing,_?Youd better go there now,_?Everything is ready,_?He is unkind to his c
17、lassmates,_?will you/wont youwill youmay I hadnt you isnt it isnt he2021/8/11 星期三261.-Why does she always ask you for help?-There is no one else she can turn to,_?(2005,北京卷北京卷)A.is there B.is it C.can she D.does she2.There was a loud scream from the backstage immediately after the concert ended,_?(2
18、005,上海卷上海卷)A.wasnt there B.was there C.didnt it D.did itAPractice A2021/8/11 星期三273.There is no light in the dormitory.They must have gone to the lecture,_?(2004上海春考上海春考)A.didnt they B.dont they C.mustnt they D.havent they4.Bills aim is to inform the viewers that cigarette advertising on TV is illeg
19、al,_?A.isnt it B.is it C.isnt he D.is heDA2021/8/11 星期三285.Everyone needs to be questioned before entering the hall,_?A.neednt heB.neednt they C.dont theyD.isnt he6.Dont have the light burning,_?A.have youB.do you C.will youD.shall weCC2021/8/11 星期三297.Its the first time that she has been here,_?A.h
20、asnt she B.isnt she C.isnt itD.hasnt it8.Nothing that can be done is important,_?A.cant theyB.isnt it C.can itD.is itCD2021/8/11 星期三309.All of us seldom went to the cinema at that time,_?A.didnt theyB.did we C.didnt weD.did all10.They must be waiting at the gate,_?A.mustnt they B.arent they C.isnt i
21、tD.neednt theyBB2021/8/11 星期三3111.There used to be a temple on the hill,_?A.wasnt itB.usednt there C.wasnt there D.didnt it12.Li Fengs unhappy at the news,_?A.isnt heB.hasnt he C.does heD.is heAB2021/8/11 星期三3213.I dont think theyd rather stay in,_?A.do I B.hadnt they C.would theyD.wouldnt they14.Since you wont go,let Tom go,_?A.wont he B.doesnt he C.will youD.shall heCC2021/8/11 星期三33Homework1.Review what we have learned.2.Finish the exercise in the text book.2021/8/11 星期三342021/8/11 星期三35