课件42张PPT。GrammarUnit 1 Wise men in history1234目录Lead-inWhile-LearningPost-LearningReviewPart I Lead-in观察这些句子1. He is very smart, isn't he? 2. They work hard, don't they? 3. You didn't go, did you? 4. She can swim, can't she? 5. There're some apples in the basket, aren't there? 6. Let's try again, shall we?Part II While-LearningGrammar A Question tags We use question tags to check if something is true, or when we want others to agree with us.It's a nice crown, isn't it?It isn't made completely of gold, is it?We usually put a negative tag after a positive statement.We usually put a positive tag after a negative statement.Question tagsArchimedes was a famous scientist, wasn't he? He didn't make the crown with gold, did he? The train has left, hasn't it? You'll forgive him, won't you?We use the right form of the verbs be, do _____or modal verbs + subject pronouns in the question tags. We use (the same/a different) tense for the statement and the question tag.haveWork out the ruleThings to rememberWhen we answer tag questions, we use yes or no according to the facts. The runner didn't win the race, did he? Yes, he did. (He won the race.) No, he didn't. (He did not win the race.) Pay attention to the following special question tags. Take out your books, will you? Let's get out of here, shall we? You're never late, are you? We put a comma (,) before a question tag.Summary Question tags 反意疑问句 反意疑问句由陈述句加简短附加问句构成，用以要求对方证实所述之事。反意疑问句主要有两种类型：一类是反意的附加疑问句，另一类是非反意的附加疑问句。1. 反意疑问句如果陈述句部分是肯定的， 附加问句部分一般是_____的；如果陈述 句部分是否定的，附加问句部分一般是 _____的。 Archimedes was a famous scientist, wasn't he? He didn't make the crown with gold, did he?否定肯定2. 在回答反意疑问句时，不管问题的提 法如何，若事实是肯定的，就要用_____ （yes / no）；若事实是否定的，就要用 _____（yes / no）。 The runner didn't win the race, did he? Yes, he did. (He won the race.) No, he didn't. (He did not win the race.) yes no3. 当陈述句部分用了nothing, never等含有 否定意义的词时，附加问句部分一般是 _____ 的。 There're few apples in the basket, are there? He can hardly swim, can he? They seldom come late, do they?肯定4. 祈使句后的附加问句部分一般用_____ you；但以Let's开头的句子，附加问句部 分为_____ we。 Give me a hand, will you? Let me help you, will you? Let's try again, shall we?willshall5. I think / believe后有宾语从句时，附加 问句的主语应与_____（主句/从句）的主 语保持一致。 I don't think he is bright, is he? We believe she can do it better, can't she?从句6. 陈述句部分和附加问句部分的人称和时态 应保持一致。附加问句的主语常用相应的 _____；附加问句的动词要根据陈述句的 谓语动词来确定，选用适当的be动词、助动 词或情态动词，其否定式一般用缩略形式。 Your sister supposes she needs no help, doesn't she? You thought they could have completed the project, didn't you?人称代词7. 陈述句部分如果是there be句型，则 附加问句部分要用_____充当主语。 There are some apples in the basket, aren' ... ...
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