Unit 3 Discovering useful structures 课件-2023-2024学年高中英语人教版（2019）必修第一册

Discovering Useful Structures Make small conversations Warming-up Read the conversations below and underline the tag questions and their answers. What functions do the tag questions have? 1.Amy: It's not a real sport, is it? ShenQi: Yes, it is. 2.Adam: That sounds interesting, doesn't it? Julie: Sure, it does. 3.LinTao: Hi! It's a beautiful day, isn't it? HanJing: Yes, it is. I'm going to play soccer. Can you come along and join us? LinTao: Sorry, I can't. I' ve got to meet my adviser,. By the way, our school soccer team won at last, didn't they? HanJing: No, they didn't. Its too bad. The tag questions are used for confirmation. Learning 1.Definition of tag questions ①反意疑问句又称附加疑问句,是附加在陈述句之后,对陈述句所表示的事实或观点提出疑问的句子,主要表示以礼貌或委婉的语气提出要求、询问或确认信息等。附加疑问句实际上是一种简略的一般疑问句。 ②反意疑问句包括陈述部分和附加疑问部分,第一部分提出一种看法,第二部分用来表示质疑或证实。陈述部分与疑问部分的动词时态和动词性质应保持一致,而且肯定和否定形式彼此相反,即陈述部分为肯定时,疑问部分用否定;陈述部分为否定时,疑问部分用肯定。 He likes English,doesn't he? 他喜欢英语,是吗? He doesn't like English,does he? 他不喜欢英语,是吗? 2.Formation of tag questions 组 成 例 句 肯定式陈述部分 + 否定附加疑问部分 You often play badminton , don’t you? You’re going to the gym with me , aren’t you? 否定式陈述部分 + 肯定附加疑问部分 It's not a real sport, is it? They can't finish it by Friday, can they? 含有否定词的陈述部分 + 肯定附加疑问部分 Nobody saw him walk into the room , did they? You’ve never been to Paris, have you? 祈使句 + 附加疑问部分 Come along with me , will you?/can you?/ won't you?/can’t you? Don't make any noise, will you? 3.Application of tag questions 1.陈述部分的主语是名词或代词时,反意疑问部分用相应的代词来代替此主语或用与主语一致的代词。 Your parents had a long talk with you last night, didn't they? 昨晚你父母与你进行了一次长谈,是吗? (1)如果陈述部分的主语是指人的不定代词,如no one,nobody, everyone, someone, everybody, somebody,none等时,其反意疑问部分的主语强调全部时用they,强调个体时可以用he。 No one phoned me while I was out, did they?我不在时没人打电话,是吧? Everyone is having a good time, aren't they?每个人都玩得很愉快,是吧? Someone is expecting you, isn't he?有人在等你,是不是? Everyone knows what money means, doesn't he/don't they?每个人都知道钱意味着什么,是吧? (2)陈述部分的主语是everything,anything,something,nothing,不定式,动名词或从句时,反意疑问部分的主语用it