Unit 3 Period 3 Discovering Useful Structures （课件）英语人教版2019必修第一册

Unit 3 Sports and Fitness 人教版2019必修第一册 Discovering Useful Structures Learning objectives 1. Identify and analyze the basic structure of tag questions and distinguish between different forms based on verbs and sentence types; 2. Apply tag questions correctly in various contexts, including special cases like imperatives , negative prefixes , negative prefixes , negative prefixes; 3. Respond to tag questions based on factual context rather than sentence structure, and interpret rising/falling intonations to convey inquiry or confirmation in conversations; 4. Construct and engage in small conversations using tag questions to express opinions, seek confirmation, or initiate interactions, as demonstrated in role-play activities. Contents 1. Lead in 2. Presentation 3. Practice 4. Summary 5. Assessment 6. Homework 01. Lead in 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? Tag Questions 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? You can repeat the questions, can’t you? 附加疑问部分 a tag question(附加疑问句/反意疑问句) What is a tag question? 附加疑问句，又称反意疑问句，主要用于口语。 Definition 附加疑问句由 加 构成，表示说话人有一定的看法，但不完全肯定，需要对方证实。 陈述部分 简短附加疑问部分 02. Presentation x Basic forms of tag questions You’ve left the picnic in the car, haven’t you? You’re not scared, are you? You can repeat the questions, can’t you? 肯定陈述部分 否定附加疑问部分 否定陈述部分 肯定附加疑问部分 肯定陈述部分 否定附加疑问部分 助动词 be动词 情态动词 1、陈述部分为_____形式时，附加疑问部分用_____形式；陈述部分为_____形式时，附加疑问部分用_____式。 肯定 肯定 否定 否定 2、附加疑问部分一般由_________________________和表示主语的_____构成。 助动词、be动词或情态动词 代词 Attention 1. 如果陈述部分出现否定前缀 un-, in-, im-, dis-或后缀-less， 该陈述部分当做肯定句处理，附加疑问部分一般用否定形式。 Tom dislikes the book, doesn't he? 汤姆不喜欢那本书，不是吗? She is unhappy, isn’t she？ 她不开心，不是吗？ 2. 陈述部分含有no, nothing, nobody, never, few, seldom, hardly, rarely, little等否定或半否定含义的词时，疑问部分用肯定形式。 He can hardly write his name, can he? 他几乎不会写他的名字，是吗？ ? Basic forms of tag questions Sth special! Come along with me, will you? 肯定祈使句 + will you? Don’t miss the time, will you? 否定祈使句 + will you? Let’s go to the gym, shall we? 肯定祈使句 + shall we? Let us stay at the gym, will you? 肯定祈使句 + will you? 祈使句 + 附加疑问部分 ? Basic forms of tag questions Sth special! Come along with me, will you? 肯定祈使句 + will you? 1、为了使祈使句听起来更委婉、客气，附加疑问部分还可以用would you, won’t you, can you, can’t you, could you等。 Don’t miss the time, will you? 否定祈使句 + will you? Let’s go to the gym, shall we? “we” refer to “us” Let us stay at the gym, will you? “us” don’t include “you” 2、以Let’s 开头的祈使句，其附加疑问部分用“shall we”或“shan’t we”; 以Let us/me开头的祈使句，其附加疑问部分用“will you”。 Subject of tag questions 1. 陈述句主语是名词时, 附加疑问句的主语要用相应的人称代词代替。 2. 陈述句主语是指示代词this, that, these, those指物时, 附加疑问句主语要用it或they；指人时，疑问句主语要用相应的人称代词。 3. 陈述句主语是表示人的不定代词，如anyone, someone, no one, everybody, nobody, somebody 等，附加疑问句的主语通常用he或they。 The students are studying hard, aren't they? This is a beautiful book, isn't it? Those are my classmates, aren't they? Everyone knows the answer, don't they? /doesn't he? Subject of tag questions 4. 陈述句主语是表示物的不定代词，如anything, nothing, something, everything等，反意疑问句的主语用it。 5. 陈述句主语是非谓语或主语从句时, 附加疑问句的主语用it代替。 6. 陈述句含宾语从句时，陈述部分主语是第一人称，附加疑问句的主语同从句主语保持一致; 如不是第一人称，则疑问部分主语同主句主语保持一致。 Something is wrong with the computer, isn't it? To see is to believe, isn't it? I think he is a good student, isn't he? He said that she would go to Beijing tomorrow, didn't he? Subject of tag questions 7. Let’s后的附加疑问句用shall we；Let us/me后的附加疑问句用will you。 8. 陈述部分是祈使句，无论是否定还是肯定，附加疑问部分多用will you。肯定的祈使句的附加疑问句也可用won’t you。 Let’s go to the park together, shall we? Let us have a break, will you? Don’t make any noise, will you? Please close the door, will you? “we” refer to “us” “us” don’t include “you” Exercise 1 1. I don’t think that the necklace is made of diamond, ? 2. She is unfit for the job, ? 3. Everything begins to grow in spring, ? 4. Don’t make so much noise in public places, ? 5. I don’t think you have heard of him before, ? 6. Mary thinks you will come to the party, ? 7. Let us wait for you in the reading­room, ? 8. Come to have supper with us this evening, ? will/won’t you will you is it isn’t she doesn’t it will you have you doesn’t she Verb of tag questions 1. I am 的附加疑问句用 aren't I（非正式）或 am I not（正式） 2. 陈述句中的谓语动词是 wish 时, 疑问部分常用may。 I'm your teacher, aren't I?（非正式） I am the one responsible for this project, am I not?（正式） You wish to go home, may you? I wish to visit Paris, may I? You wish to study abroad, may you? 3. 陈述句谓语为 have、has、had时， (1) 表示实义动词时, 反意疑问句的谓语用have或do的相应形式都可以。 (2) 表示情态动词时, 疑问部分用do的相应形式。 (3) 陈述部分的谓语是 had better 时, 疑问部分用hadn’t。 Verb of tag questions They have a house in the town, haven’t they/don’t they? He has lunch at school, doesn’t he？ They have to go there, don’t they？ You’d better have a good rest, hadn’t you？ Verb of tag questions 4. 陈述部分用 used to+主语时, 问句部分用didn’t+主语？或 usedn’t+主语？ 5. 陈述部分情态动词 must (1) 表 “必须” 时, 疑问部分用 mustn’t (2) 表 “推测” 时, 疑问部分多与must之后的动词形式和时态与句子主语保持一致。 They used to be good friends, didn’t they? / usedn’t they? I must answer the letter, mustn’t I? She must have read the novel, hasn’t she？ Exercise 2 1. Few of them were injured in the accident last night, they? 2. Mother used to live in a poor village, she? 3. Everything begins to grow in spring, it? ? 4. Sarah had her washing machine repaired the day before yesterday, ? 5. You had some trouble finding where I live, you? 6. They must have stayed at home last night, they? 7. You’d better have a day off so that you can look after your sick mother, you? were didn't/usedn’t doesn’t didn’t she didn’t didn’t hadn’t Answer to 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。 Intonation of tag questions Tag是疑问或请求，需要得到回答时用升调↗ Tag是求证或希望得到对方的同意时用降调↙ The school team have won the gold medal, haven’t they? The school team have won the gold medal, haven’t they? 校队赢得了金牌，不是吗？ 是校队赢得了金牌，对吧？ ↗ ↙ You were captain of the football team, ________________? Exercise 3 Read and decide the intonation of each tag question according to the meaning. You were captain of the football team, were’t you? 你是足球队的队长，是吗？ You were captain of the football team, were’t you? 你是足球队的队长，对吧？ Frank hardly goes to the gym, does he? Frank 几乎不去健身房，是吗？ You were captain of the football team, does he? Frank 几乎不去健身房，对吧？ ↗ ↗ ↙ ↙ 03. Practice Task 1: 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? 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. Task 2: Complete the conversations with appropriate tag questions or correct answers. Then act them out. 1. A: It’s not going to rain, is it? B: __________. It’s a good day for sports. A: Then we can play football, ________? B: ___________. We don’t have a ball. 2. A: It’s Sports Day next Thursday, _______? B: You’re right, it is. Let’s ask Xia Lei if she wants to join a team. A: She likes soccer, __________? B: ______________. But she loves volleyball. She could be in the volleyball team. No, it isn’t can’t we No, we can’t isn’t it doesn’t she No, she doesn’t Activity 2 Complete the conversations with appropriate tag questions or correct answers. Then act them out. 3. A: It’s time for badminton class. Where is the coach? He’s late, _______? B: It’s been 10 minutes already. He isn’t coming, _____? A: Cool! We can have a good time. That’s great! B: Shh! A: Oh no, he’s right behind me, ______? C: Yes, I am! isn’t he is he isn’t he Activity 3 Work in pairs. Use tag questions to role-play one of the situations below. A: The Sports Day is coming soon, isn’t it? B: Yes, it is. They need some volunteers, don’t they? A: Yes, they do. We should volunteer, shouldn’t we? B: Yes, we should. Sample 1 Activity 3 Work in pairs. Use tag questions to role-play one of the situations below. A: Wow, Adam can jump really high, can’t he? B: He sure can! We are going to win, aren’t we? A: I think so. The other team must score 10 points in two minutes. It can’t be done, can it? Sample 2 Activity 3 Work in pairs. Use tag questions to role-play one of the situations below. A: Excuse me. This is badminton hall, isn’t it? B: Yes, it is. Can I help you? A: Coach Wang works here, doesn’t he? B: Yes, he does. He is practicing on the basketball court right now. It’s over there, next to the football pitch. A: Thanks. Sample 3 04. Summary Tag Questions definition basic forms Subject of tag questions Intonation of tag questions Tag questions are additional questions which expresses the questioner's opinion, which is uncertain and needs the listener's approval. 肯定陈述部分 + 否定附加疑问部分 否定陈述部分 + 肯定附加疑问部分 祈使句 + 附加疑问部分 Verb of tag questions Answer to tag questions 05. Assessment Assessment Things I can do. Scores I can distinguish between positive and negative tag question structures. 5 4 3 2 1 I can handle special cases like imperatives and negative prefixes in tag questions correctly and quickly. 5 4 3 2 1 I can use correct pronouns and verbs in tag questions. 5 4 3 2 1 I can answer tag questions based on facts, not sentence structure correctly. 5 4 3 2 1 I can use rising/falling intonation to show different meanings in tag questions 5 4 3 2 1 I can make small conversations using tag questions appropriately. 5 4 3 2 1 06. Homework Task 1: Complete the sentences ①Your parents had a long talk with you last night, ? ②Turn off the lights when you leave the classroom, ? ③Few people are here, ? ④ There’s no room here, ? ⑤Let’s go there by bus, ? ⑥Let us go there by bus, ? ⑦Don’t forget to give Polly some food, ? ⑧You think (that) you are funny, ? don’t you didn’t they will/won’t you are they is there shall we will you will/won’t you Homework The School Fitness Club is recruiting new members, and a student is inquiring something about it from the consultant. Please make a small conversation using tag questions. A——Consultant B——Student A: Welcome to the School Fitness Club! You're interested in joining, aren't you? B: Yes, I am. The club ... Task 2: Make small conversations A possible sample A: Welcome to the School Fitness Club! You're interested in joining, aren't you? B: Yes, I am. The club offers weekly training sessions, doesn't it? A: Exactly! We have classes for swimming and yoga. You haven’t tried club activities before, have you? B: No, but I want to start. The membership fee isn’t too high, is it? A: It’s $20 per semester. Let’s sign you up today, shall we? B: Great! I can attend the trial class tomorrow, can’t I? A: Of course. You’ll love our facilities, won’t you? B: I think so. Thanks for your help! Thank you for your listening Lavf58.20.100 $$