Unit 3 Discovering Useful Structures 课件-2022-2023学年高中英语人教版（2019）必修第一册

Unit 3 Sports and fitness To learn the usage of tag questions and their answers. To learn to use tag questions to role-play a situation and make small conversations. Read the conversations below and underline the tag questions and their answers. What functions do the tag questions have? Make small conversations 1. Amy: It’s not a real sport, is it? Shen Qi: Yes, it is. 2. Adam: That sounds interesting, doesn’t it? Julie: Sure, it does. 3. Lin Tao: Hi! It’s a beautiful day, isn’t it? Han Jing: Yes, it is. I’m going to play soccer. Can you come along and join us? Lin Tao: Sorry, I can’t. I’ve got to meet my adviser. By the way, our school soccer team won at last, didn’t they? Han Jing: No, they didn’t. It’s too bad. What functions do the tag questions have? Function 1: to make confirmation Function 2: to ask for opinions 4 疑问句的类型 1. 一般疑问句 2. 特殊疑问句 3. 选择疑问句 4. 反意疑问句 be动词/助动词/情态动词等开头； 用Yes/No回答 特殊疑问词开头； 问什么答什么 一般疑问句或特殊疑问句，加上or Do you like sports? What sport do you like? Which sport do you like better, basketball or football? 陈述句+附加问句 说话人向对方验证自己的陈述或判断，也可用于祈使句表示请求或建议。 I don’t think he will come, will he? Review 附加疑问句 一、附加疑问句的特点 附加疑问句是由两部分构成:陈述部分+附加疑问部分。附加疑问句前后两部分必须遵循的原则是“三同一反”,即:人称相同,动词相同,时态相同,前肯后否,前否后肯。如: Mary is a worker,isn’t she?（前肯后否） 玛丽是一名工人,是不是? You won’t go to the Summer Palace tomorrow,will you? （前否后肯） 明天你不去颐和园,是吗? He’s never been to Canada before,has he?（前否后肯） 他以前从未去过加拿大,对吗? 【即学即用】 完成句子 (1)Jean is a teacher,____________?  (2)He didn’t tell you the story,____________?  isn’t she did he 二、附加疑问句的答语 对附加疑问句的回答,不管问题的提法如何,若事实是肯定的,就用yes回答;若事实是否定的,就用no回答。注意在“前否后肯”的附加疑问句的答语中,yes意为“不”,no意为“是”。如: —He isn’t going to the meeting,is he? 他不去参加会议,是吗? —Yes,he is.不,他要去。/—No,he isn’t.对,他不去。 —You come from England,don’t you? 你来自英国,对吗? —Yes,I do.I come from a small town near London. 是的。我来自伦敦附近的一个小镇。 —You didn’t watch the film last night,did you? 你昨晚没看电影,是吗? —Yes,I did,but I missed the beginning. 不,我看了,不过错过了开头。 前肯后否 前否后肯