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课件网) Unit 3 Sports and Fitness Discovering Useful Structures Teaching objectives 1. Help students learn the form of tag questions. 2. Guide students to know the functions of tag questions. 3. Design specific situations for students to make small conversations. Do you know who they are What sports are they playing Name：Yang Qian(杨倩） Sport：Shooting She likes shooting, doesn’t she Name：Quan Hongchan(全红婵） Sport：Diving Her movement is perfect, isn’t it Do you know who they are What sports are they playing Name：Wang Shun（汪顺） Sport：Swimming Wang Shun doesn’t give up swimming, does he Name：Chen Meng,Sun Yingsha,Wang Manyu（陈梦，孙颖莎，王曼昱） Sport：Table Tennis They are united, aren’t they 1. What do they have in common？ They are all athletes, aren’t they They are all Olympic champions, aren’t they There is a question about them, isn’t there Tag question. 2. Do you know what the question is called？ tag questions (反意疑问句/附加疑问句) What is tag question？ 意义：表面上看是疑问句，实际上说话者是在强调某种肯定或否定的答案,也就是明知故问。 反意疑问句（Tag question） 概念：又称附加疑问句，主要用于口语，由陈述句加简短附加问句构成，其作用是说话人向对方验证自己的陈述或者判断，也可以用于祈使句表示请求或者建议。 一、附加疑问句的组成。 画出下面句子的附加疑问部分并归纳附加疑问句的组成。 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 归纳： 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 二、附加疑问句的读法 1. He doesn’t know her, ↗does he 他不认识她，是吗？（表疑问） 2. I can’t come in, ↗ can I （表请求） 3. They are coming, ↘aren't they 他们马上就到了，是吧？（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 三、主语的选择 1.陈述部分主语是he, she或某人,疑问句主语为he, she或某人 例：You/He/Tom can’t be too careful, can you/he/Tom 2.陈述部分的主语是this, that时，疑问部分的主语多用it； 陈述部分的主语是these, those时，疑问部分的主语多用they. 例：This is Tom’s textbook, isn’t it These are your books, aren’t they 3.陈述句的主语是nobody, no one, everyone, somebody等不定代词时，反意疑问部分的主语多用he/they。 例：Everyone knows him, don’t they/ doesn’t he 陈述句的主语something,nothing,anything,everything等不定代词时，反意疑问部分的主语多用it。 例：Nothing in the world is difficult, is it 4. 陈述句如果是there be结构时，疑问部分仍用there。 例：There is little water left, is there 5.陈述句的主语是动词不定式、动词的ing形式或从句时，反意疑问句主语多用it来体现。 例：Smoking is not allowed here, is it What he lacks is courage, isn’t it 6. 陈述句主语由neither...nor ... ...
