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

该高中英语课件聚焦反意疑问句，系统讲解其功能、结构、回答规则及特殊句式。课堂导入先梳理疑问句类型，再通过漫画对话示例引出反意疑问句，构建新旧知识衔接的学习支架。 其亮点在于采用分类讲解（肯定否定、特殊句式等）结合情境对话练习，如Task 8角色扮演融入体育主题，助力语言能力提升。通过自评表和作业设计，培养思维品质与学习能力，学生能在实践中掌握语法，教师可高效开展分层教学。

高中英语人教版必修第一册 Period 3 Discovering Useful Structures Unit 3 Sports and Fitness Learning objectives Students can know the functions of tag questions. Students are able to grasp the sentence structures of the tag questions. Students can obtain the correct intonation of the tag questions. Students can make a conversation using the tag questions in correct situations. Contents 1. Lead in 2. The tag questions 3. Text exercises 4. Summary 5. Assessment 6. Homework 01. Lead in Lead in Task 1 疑问句的类型 一般疑问句:(be动词/助动词/情态动词等开头，用yes/no回答) Do you like sports? 2.特殊疑问句:(特殊疑问词开头，问什么答什么) What sport do you like? 3.选择疑问句:(一般疑问句或特殊疑问句，加上or) Which sport do you like better, basketball or football? 4.反意疑问句:(陈述句+附加问句) Lead in Task 2 What is tag question? audience [ˈɔːdiəns] n. 观众；听众 compete [kəmˈpiːt] vi. 竞争；对抗 pretend [prɪˈtend] vi. & vt. 假装；装扮 million [ˈmɪljən] num. 一百万 cheat [tʃiːt] vi. 作弊；舞弊vt. 欺骗；蒙骗n. 欺骗手段；骗子 Lead in 在线学单词 02. The tag questions The tag questions Task 2 What is tag question? 附加疑问句是附加在陈述句后的简短问句，对陈述句所叙述的事实或观点提出疑问。 You have already got our invitation，haven’t you? You won’t be away for long，will you? You won a gold medal in a marathon, didn’t you? Messi is a famous soccer player, isn’t he? His sister didn’t attend the meeting, did she? + The tag questions Task 3 What is the form of the tag question? 构成：陈述句，附加疑问句？【前肯后否，前否后肯】 附加疑问部分：助动词/be动词/情态动词＋主语的代词 The tag questions Structure Examples It’s a beautiful day, isn’t it? That sounds interesting, doesn’t it? It’s not a real sport, is it? Wang Shun doesn’t give up swimming, does he? Nobody saw him walk into the room, did they? You’ve never been to Paris, have you? 否定式陈述部分+肯定附加疑问部分 含有否定词的陈述部分+肯定疑问部分 肯定式陈述部分+否定附加疑问部分 规律：前肯后否，前否后肯 a statement (陈述句) + a tag question (附加疑问部分) 疑问部分中的人称和时态应与陈述部分保持前后一致。 You are from Australia, ? He doesn’t live in Beijing, ? does he aren’t you 组成 : no, nothing, nobody, nowhere, none, never, few, little, seldom, hardly, rarely, neither 助动词、be动词或情态动词+表示主语的代词 The tag questions 反意疑问句的陈述部分含有由un-, im-, in-, dis-等否定意义的前缀构成的词语时，陈述部分要视为肯定含义，问句部分用否定形式。 例：Your father is unhappy, isn’t he? The man is dishonest, isn’t he? 规律：前肯后否，前否后肯 前肯后否 前否后肯 肯定陈述句+否定附加疑问句句 否定陈述句+肯定附加疑问句 The tag questions Task 4 How to answer the tag questions? 1. They work hard, don’t they? — 是的，他们工作努力。 — 不，他们工作不努力。 2. They don’t work hard, do they? — 不，他们工作努力。 — 是的，他们工作不努力。 Yes, they do. No, they don’t. Yes, they do. No, they don’t. 根据 回答，事实是肯定的用 ，反之用 。 yes+肯定结构 no+否定结构 实际情况 在前否后肯的结构中，yes译成“不”，no译成“是”。 3. Tom made no answer, did he? ---- . (是的，他没回答。) 4. The film wasn’t very good, was it? ---- . (是的，不怎么好看。) No, he didn’t. No, it wasn’t. The tag questions Task 5 What is the usage of the tag question? He likes English, doesn’t he？ 他喜欢英语, 不是吗？ He doesn’t like English, does he? 他不喜欢英语, 是吗？ 回答 A:You aren’t a teacher, are you? 你不是老师, 是吗？ B:Yes, I am. /No, I’m not. 不, 我是。/是的, 我不是。 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： 陈述部分为肯定式时, 疑问部分用否定式； 陈述部分为否定式时, 疑问部分用肯定式。 前肯后否 前否后肯 附加疑问句的回答: 答语要和实际情况相符合, 遵循“实事求是”的原则。肯定的答案用“Yes＋肯定结构”, 否定的答案用“No＋否定结构”。 The tag questions This is Tom’s textbook, isn’t it? These are your books, aren’t they? That isn’t your teacher, is he/she? Nothing in the world is difficult, is it? Everything is ready, isn’t it? 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 ；指人时，疑问句主语要用 。 it或they 相应的人称代词 Everyone knows that writer, don’t they / doesn’t he? No one is at school now, are they? 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 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 Your brother has gone to the library, hasn’t he? 1. 陈述句主语是名词时, 附加疑问句的主语要用 来代替。 相应的人称代词 The tag questions Smoking is not allowed here, is it? What he lacks is courage, isn’t it? 5. 陈述句主语是非谓语动词或主语从句时, 附加疑问句的主语要用 来代替。 it I don’t think (that) he is bright, is he? He thinks (that) he is going to become a doctor, doesn’t he? There is little water left, is there? Let’s go to school, shall we? Let us/ me have a try, will you? 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________ 保持一致; 如不是第一人称，则疑问部分主语同___________保持一致。 7. Let’s后的附加疑问句用 。 Let us/me后的附加疑问句用 。 9. 陈述句如果是there be句型，反意疑问句的主语用 。 there 从句主语 shall we will you Come along with me, will you/won’t you? Don’t make any noise, 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 。肯定的祈使句的附加疑问句也可用_________。 will you won’t you 主句主语 The tag questions 特殊的句式1：主从复合句 例句 若陈述部分是一个主从复合句，附加疑问部分一般要与主句一致。 He said the match was a failure, didn’t he? The students are talking loudly when the teacher came in, aren’t they? 陈述部分是“I’m sure，I’m afraid，I think/suppose/expect/imagine/believe 等＋宾语从句”结构，附加疑问部分一般与从句的主语和谓语一致，而且要注意陈述部分的否定转移现象。 I don’t think he cheated in the match, did he? I think Lily is a student, isn’t she? 主句主语为第二三人称，反问看主句的主语和动词 主句主语为第一人称，反问看从句的主语和动词 【否定前移】 口诀：一从，二三主，否定前移 The tag questions 特殊的句式2：感叹句 例句 感叹句后加附加疑问句时， 附加疑问部分用： be的一般现在时的否定形式 或助动词的其他形式 1）What a fine day it is today！ What a fine day it is today，isn’ t it？ 2）How fast he runs！ How fast he runs，doesn’ t he？ 3）What a long time we have been waiting！ What a long time we have been waiting，haven’ t we？ 特殊的句式3：并列句 例句 陈述句为并列句，附加问句与邻近分句保持一致 She is always a good girl, and she is never late for school, is she? The tag questions 特殊的情态动词 例句 陈述部分用“used to＋动词原形”时，疑问用“didn’t＋主语”或“usedn’t＋主语”形式。 He used to live in the poor country，didn’t/usedn’t he？ 谓语含“ought to＋动词原形”时， 疑问用“oughtn’t＋主语”或“shouldn't＋主语”形式。 You ought to take care of them, oughtn’t/shouldn’t you? 谓语含“had better最好＋动词原形”时， 疑问用“hadn’t+主语”。 He had better find his wallet, hadn’t he? 谓语含“have to不得不，必须”时， 疑问用do的适当形式 We have to arrive there on time, don’t we? She had to finish this task as soon as possible, didn’t she? The tag questions 特殊的情态动词 must 例句 1）作为情态动词表“必须”， 疑问用mustn't/needn't We must finish our homework on time, mustn’t/needn’t we? 2)表示推测时， 由must后面的动词决定。 The baby must be sleeping now, isn’t he? 3)must have done表示对过去事实的肯定推测 1. 有表示过去的时间状语， 问句用过去时didn't； 2. 没有表示过去的时间状语， 问句用现在完成时haven't或hasn't。 3. 有表示过去完成时的时间状语，问句用hadn't. They must have gone there last night, didn't they? They must have arrived by now, haven't they? They must have been to the Great Wall, haven't they? They must have learnt 5000 English words by the end of last term, hadn't they? The tag questions 特殊的动词 need/dare 例句 need/dare作情态动词时， 问句用need(n’t)/dare(n’t)； 作实义动词“需要/敢”时， 借助助动词do的适当形式。 They needn’t hand in their homework today, need they? We need more information to make a decision, don’t we? They daren't ask for any more money，dare they？ He won’t dare to break his promise，will he? 特殊的动词 wish 例句 陈述部分的谓语是wish， 疑问部分要用may +主语 I wish to have a word with you, may I? The tag questions 特殊的动词 have 例句 表“有”时，问句动词have/do都行 He has a lot of things to do today, doesn’t he? He has a new car, doesn’t/hasn’t he? 表“吃，喝，玩，度过，举办”等，问句动词用do He has supper at home every day, doesn’t he? They had a good time in Beijing, didn’t they? have/has作助动词用在完成时中，用have/has的适当形式。 They have known the matter, haven’t they? She has been to the city several times, hasn’t she? 03. Text exercises Text exercises Task 6 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! lt'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. 反义疑问句又被称为附加疑问句， 它是对说话人说的句子的反问，有加强语气、请求进一步的确定的意味。 Text exercises Task 7 Complete with appropriate tag questions or correct answers. 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. 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! No, it isn’t can’t we No, we can’t isn’t it doesn’t she No, she doesn’t isn’t he is he isn’t he Text exercises Task 8 Use tag questions to role-play one of the situations below. Event Address Date Text exercises Task 8 Use tag questions to role-play one of the situations below. Sample Conversation 2 A: Wow, Chen Liang 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? B: I don't think so. I'll be right back…Oh no! The other team didn't win, did they? A: I'm afraid so. Sample Conversation 1 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. 04. Summary Summary 05. Assessment Learning Objectives Score(1-5) 1.After learning, I am able to know the functions of tag questions. 2.After learning, I am able to grasp the sentence structures of the tag questions. 3.After learning, I am able to obtain the correct intonation of the tag questions. 5-完全能；4-基本能；3-不确定；2不太能；1-完全不能 Assessment 06. Homework Recite the phrases learned this period. Homework Thank you for your listening compete + 音标：/kəmˈpiːt/ vi. 竞争；对抗 核心用法 & 搭配 不及物动词，后面不能直接加宾语，必须加介词： 1. compete with sb 和某人竞争 2. compete against sb/sth 对抗/与……角逐 3. compete for sth 为某物/奖项竞争 4. compete in + 比赛/赛事 参加某项竞赛 例句 ① Many athletes compete for the gold medal. 许多运动员为金牌展开角逐。 ② Our team will compete against the champion next week. 下周我们队要和冠军队伍对决。 make sense + 短语：有道理；合乎情理；表述清楚 核心用法 & 搭配 固定动词短语，无被动； ▶ make sense 说得通、合理 ▶ make sense of sth 弄懂/理解难懂的事物 ▶ It makes sense to do sth 做某事是明智的 例句 ① Your plan really makes sense. 你的方案很有道理。 ② I can’t make sense of this strange message. 我看不懂这条奇怪的信息。 pretend + 音标：/prɪˈtend/ vi. & vt. 假装；装扮 核心用法 & 搭配 高频固定结构： ✅ pretend to do sth 假装做某事 ✅ pretend to be + 身份/状态 假装是…… ✅ pretend + that 从句（that可省略） 例句 ① He pretended to sleep when his mom came in. 妈妈进来时他假装睡着了。 ② She pretended that she didn’t know me. 她装作不认识我。 even if / even though + 连词短语：即使；虽然 用法区分 共同点：引导让步状语从句，主句不受从句条件影响 细微区别： • even though：侧重既定事实（虽然已然如此） • even if：侧重假设、虚拟（就算哪怕假定） 例句 ① Even though it rained heavily, we went hiking. 虽然雨下很大，我们还是去徒步了。（事实下雨） ② I will help you even if I am busy. 就算我很忙，我也会帮你。（假设条件） million + 音标：/ˈmɪljən/ num. 一百万 关键语法规则（必考） 1. 前面有具体数字：million 不加s，不加of two million people 两百万人 2. 模糊泛指“数百万”：millions of + 名词复数 millions of stars 数百万星星 例句 ① The project cost three million dollars. 这个项目耗资三百万美元。 ② Millions of visitors come here every year. 每年有数百万游客来到这里。 cheat + 音标：/tʃiːt/ vi. 作弊；舞弊 vt. 欺骗；蒙骗 n. 骗子；欺骗手段 搭配分类 ▶ cheat in exams 考试作弊（不及物常用） ▶ cheat sb (out of sth) 骗取某人某物 ▶ cheat on sb （感情上）出轨、背叛伴侣 例句 ① It’s wrong to cheat in the final exam. 期末考试作弊是不对的。 ② He cheated the old man out of his savings. 他骗走了老人的积蓄。 audience + 音标：/ˈɔːdiəns/ n. 观众；听众（集合名词） 语法用法 集合名词用法： 1. 强调整体时，谓语用单数； 2. 强调场内一个个观众个体时，谓语可用复数 常用搭配：a large/small audience 大量/少量观众 例句 ① The audience is excited about the show. 全场观众对这场演出很兴奋（整体）。 ② The audience were clapping loudly. 观众们都在热烈鼓掌（个体）。 $null