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1、Unit 3 Looking good, feeling goodLooking good is important to women, ?isnt itQuestion Tags 反意疑问句反意疑问句疑问句 Are you a student? Whats your name? Do you come from America or Canada? It is a nice day, isnt it?（一般疑问句）（一般疑问句）（特殊疑问句）（特殊疑问句）（选择疑问句）（选择疑问句）（反意疑问句）（反意疑问句）When do we use question tagsIts a nice da
2、y, isnt it?1. To start a conversation2. To ask for agreement You still go to the gym every day，dont you?3. To politely ask someone to do something Open the door, will you?summary1.结构：结构：陈述句附加疑问句陈述句附加疑问句（ be动词动词/助动词助动词/情态动词情态动词陈述部分主语的相应代词）陈述部分主语的相应代词）2.规律规律: 前肯后否前肯后否 前否后肯前否后肯注意注意： Everything is all r
3、ight, _? Nothing can stop us going forward, _1.肯定、否定前后相反肯定、否定前后相反2.时态和人称前后一致时态和人称前后一致can it?isnt it?summary I am a teacher, ? This is important, _ That isnt correct, _ These are your friends Tom and Jack,_ Lucy will go to America, _ ?3. 附加疑问句部分必须用人称代词主格。附加疑问句部分必须用人称代词主格。4. 附加疑问句部分的部分的be动词、助动词和情态动词、助
4、动词和情态动词必须与动词必须与not缩写。缩写。arent I(am 不能与不能与not缩写缩写)wont sheis it?arent they?isnt it?summary He isnt a student，is he? 如果这个如果这个“he”的确不是学生，按照英语的确不是学生，按照英语表达习惯，就答：表达习惯，就答：“No, he isnt.” 如果是学生，则答：如果是学生，则答：“Yes, he is.”反意疑问句的回答反意疑问句的回答根据事实回答。事实是肯定的用根据事实回答。事实是肯定的用Yes,事事实是否定的用实是否定的用No. 当陈述部分含有当陈述部分含有 must 时时,
5、 要注意要注意 must 的含义。的含义。 表示表示 一定要一定要, 必须必须时时, 反意疑问句附加部分用反意疑问句附加部分用 mustnt 或或 neednt He must work hard at physics, _You must renew the book, _I must answer the letter, _ 表示推测表示推测 一定是一定是, 必定是必定是时时, 反意疑问句附加部反意疑问句附加部分有下列情况分有下列情况: A). 当陈述部分有当陈述部分有 must be .时时, 反意疑问句附加反意疑问句附加部分用部分用 be 的现在时态。的现在时态。 He must be
6、 very tired, isnt he? He must be working hard at the office, _isnt he?mustnt he?neednt you?mustnt I? B). must have + 过去分词过去分词 表示对过去的推测表示对过去的推测 a). 单纯表示对过去的推测单纯表示对过去的推测, 与现在无关与现在无关, 依据是依据是(句中有过去的时间状语句中有过去的时间状语)，反意疑问句根据动词，反意疑问句根据动词用用didnt / wasnt / werent +主语。主语。b). 表示对过去的推测且影响到现在或持续现在表示对过去的推测且影响到现在或持
7、续现在, 反意疑问句附加部分用反意疑问句附加部分用havent / hasnt +主语主语。 He must have come yesterday,_ You must have studied English for years, _ He must have lived here at least ten years, _ It must have been destroyed by the earthquake in the 1990s, _havent you?hasnt he?wasnt it? didnt he? 当陈述部分含有当陈述部分含有seldom, hardly, sca
8、rcely, no, never, rarely, few, little, nobody, nowhere等否定等否定动词时，反意疑问部分的动词用肯定式。动词时，反意疑问部分的动词用肯定式。 He hardly speaks English, _ 他几乎不会说英语，是吧？他几乎不会说英语，是吧？ She seldom lends her money to others, _ 她很少把钱借给别人，是吗？她很少把钱借给别人，是吗？ 如果陈述句部分含有如果陈述句部分含有un-, in-, im-, ir-, dis-等否定前缀等否定前缀构成的派生词时，该陈述部分仍作肯定处理，疑问部构成的派生词时，
9、该陈述部分仍作肯定处理，疑问部分用否定形式。分用否定形式。 He dislikes chicken, _ She is unable to escape from the fire, _does she?does he?doesnt he? 当陈述部分是带有定语从句，同位语从句，状语从句，当陈述部分是带有定语从句，同位语从句，状语从句，宾语从句的主从复合句，疑问部分谓语根据与主句的主宾语从句的主从复合句，疑问部分谓语根据与主句的主语和谓语动词保持对应关系。语和谓语动词保持对应关系。 He is not the man who gave us a talk,_ I told them not e
10、verybody could do it ,_ He said he wanted to visit Japan, _ 上述部分主句是上述部分主句是I /we think, believe, expect, suppose, imagine, fancy 等引导，往往看成等引导，往往看成插入语插入语,附加疑问部附加疑问部分往往与从句中的主语和谓语动词保持对应关系，但要分往往与从句中的主语和谓语动词保持对应关系，但要注意注意否定的转移否定的转移。 I suppose that hes serious，_ I dont think she cares,_ We believe she can do
11、 it better, _is he?didnt I?didnt he?does she?cant she?isnt he? 1.Weve saved nothing this year, _?2.He is careless about his speech, _?3.Im older than you, _?4.What beautiful weather, _?5.He has to stay here all day, _?6.You had some trouble finding where I live, _? 7.I neednt tell you the news, _?8.
12、I must answer the letter, _?9.You must be hungry, _?10.I wish to go home now, _?11.Youd rather I didnt say anything, _?12.Youd better have a day off, so that you can look 1.Weve saved nothing this year, _?2.He is careless about his speech, _?3.Im older than you, _?4.What beautiful weather, _?5.He ha
13、s to stay here all day, _?6.You had some trouble finding where I live, _?havent weisnt hearent I?isnt it?doesnt he?didnt you?/havent you? 7.I neednt tell you the news, _?8.I must answer the letter, _?9.You must be hungry, _?10.I wish to go home now, _?11.Youd rather I didnt say anything, _?12.Youd b
14、etter have a day off, so that you can look after your sick mother, _?need I?mustnt I?/neednt I?arent you?may I?wouldnt you?hadnt you? 1. Its the third time that John has been late, _? A. hasnt he B. isnt he C. isnt it D. hasnt it 2. Lets take a rest, _. A. will we B. shall we C. shant we D. wont we
15、3. Let us pass, _? A. shant we B. shall we C. wont we D. will you 4. Wait a minute, _? A. shall you B. will you C. do you D. dont you 6. Hes posted the letter, _he?A. isnt B. doesnt C. hasnt D. wasnt7. Theyd go with us, _? A. wouldnt they B. didnt they C. hadnt they D. couldnt they8. What fresh air, _? A. is it B. does it C. isnt it D. doesnt it 10. That is your school, _? A. isnt that B. mustnt it C. isnt it D. wont it 11. She dislikes this skirt, _? A. doesnt she B. does she C. isnt she D. is she 12. No one can stop us from going there, _? A. cant it B. can they C. cant they D. can one