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课件网) Unit 3 Sports and fitness Discover Useful Structures At the end of this lesson, students are able to: 1. Grasp the sentence structures of the tag questions. 2. Obtain the correct intonation of the tag questions. 3. Make a conversation using the tag questions in correct situations. Learning objectives Watch and Find You can repeat the questions, can’t you You’ve left the picnic in the car, haven’t you We’re lost, aren’t we He’s quite big, isn’t he Mr.Skinnylegs is big, isn’t he You’re not scared, are you You can repeat the questions, can’t you What is tag question Read and Observe 陈述部分 You’ve left the picnic in the car, haven’t you We’re lost, aren’t we He’s quite big, isn’t he Mr.Skinnylegs is big, isn’t he You’re not scared, are you 附加疑问部分 a tag question(附加疑问句/反意疑问句) You are a student, aren't you He doesn’t like ice cream, does he They have never been to Beijing, have they Come along with me, will you 附加疑问句由两部分组成，_____。 附加疑问部分一般由_____和表示主语的_____构成。陈述句为_____形式时，附加疑问部分用_____形式；陈述句为_____形式时，附加疑问部分用_____式。 陈述部分+附加疑问部分 助动词、be动词或情态动词 代词 肯定 肯定 否定 否定 1. 组成原则：前肯定后否定或前否定后肯定。 陈述部分带有seldom, hardly, never, rarely, few, little, no, nobody，nothing等否定词或半否定词时，疑问部分用肯定形式 注意： 如果陈述部分出现否定前缀 un-, in-, im-, dis-或后缀-less，该陈述部分作肯定处理，附加疑问部分一般仍用否定形式。如： He was unsuccessful, wasn't he Tom dislikes the book, doesn't he Basic forms of tag questions 1. He doesn’t know her, ↗does he （表疑问） 2. I can’t come in, ↗ can I （表请求） 3. They are coming, ↘aren't they （表求证） 4. Let’s go, ↘ shall we （表征求同意） 陈述部分一般用降调，而附加疑问部分既可以用升调也可以用降调，含义不同。通常情况下，升调多表示疑问或请求；降调多表示求证或希望对方同意。 Intonation of tag questions 根据实际情况回答，事实是肯定的用yes+肯定结构，反之用no+否定结构。 在前否后肯的结构中，yes译成“不”，no译成“是”。 — His sister didn't attend the meeting, did she 他妹妹没有参加会议，是吗 — Yes, she did. 不，她参加了。 — He likes playing football, doesn't he 他喜欢踢足球，不是吗？ — No, he doesn’t. 不是，他不喜欢。 Answer to tag questions 1.当陈述部分的主语是名词时，附加疑问部分的主语必须用人称代词来代替。 2.当陈述部分的主语是指示代词this、that时，附加疑问部分的主语用it代替；指示代词是these、those时，附加疑问部分的主语用they代替。 3. 陈述部分若用指人的不定代词everyone、everybody、someone、no one、somebody、nobody等作主语时，其附加疑问部分的主语常用they，有时也用he；若陈述部分用不定代词something、nothing、everything等作主语，附加疑问部分的主语用it。 Your brother has gone to the library, hasn't he That isn't a useful book, is it These are grapes, aren't they No one is at school now, are they Everything is ready now, isn't it Subject of tag questions 4. 当陈述部分为主从复合句时，附加疑问部分一般应与主句的主语和 ... ...
