Unit 3 Sports and Fitness Discovering Useful Structures 课件-2023-2024学年高中英语人教版（2019）必修第一册

Unit 3 Sports and Fitness Discovering Useful Structures 1.To learn the definition、usage and answer of tag questions. 2.To apply them into practice. Learning objectives 1.What is tag question？什么是反义疑问句？ Step 2 问题导学一 1' 反意疑问句 用来表达：1.对事情没把握（不确定性） 2.寻求认可 3.阴阳怪气（口语） 1. 结构： 一个陈述句+疑问句 Step 3 点拨运用一 1' 4 课本p40-1 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. Function: expressing uncertainty 表达不确定性 Function: asking for approval 寻求认可 Function: asking for approval寻求认可 Function: expressing uncertainty 表达不确定性 5 反义疑问句考点 反义疑问句两种形式 反义疑问句的主语问题 反义疑问句动词选择 反义疑问句的回答 陈述句 Part 1 两种形式：前肯后否，前否后肯 如： They are having an English class, ________________? She can hardly speak, ___________? aren't they can she 12 2.反义疑问句的主语问题 （1）反义疑问句主语都要是代词 （2）there be句型做主语，用there做主语 （3）指示代词做主语，用it、they做主语 （4）主语是复合不定代词（人）做主语，常用he/they做主语 （5）主语是复合不定代词（物）做主语，常用it做主语 陈述句+疑问句 3.反义疑问句动词选择 （1）陈述句be动词、情态动词、普通动词 I am a boy，aren't I？ He can play football，can he？ He likes playing football，doesn't he？ 值得注意的是，陈述句情态动词如果是must 1.表示必须，疑问部分用mustn't/needn't 2.mustn't表示禁止，疑问句用must 3.must表推测，疑问部分根据实际情况 She must has boyfriend，hasn't she？ （2）陈述句有否定含义的词，疑问部分用肯定 如：never，seldom，hardly，few，little，barely，scarcely，nothing，none，rarely，no，not，no one，nobody，neither... I can hardly sing，can I？ （3）陈述句谓语是wish，疑问句用may I wish to have 10w fans this year，may I？ （4）陈述句谓语ought to，疑问句用shouldn't/oughtn't I ought to go to shool，shouldn't I？ （5