七年级英语一般疑问句(ppt课件)

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❖ 一般疑问句肯定回答用“yes ” , 否定回答用 “ no ” . 注意在肯定回答时,Yes后面的部 分不能缩写。如it is, 不能缩写为 it’s . he is 不能缩写为he’s ,she is 不能缩写为she’s…
❖ She is a teacher .
❖ Is she a teacher ?
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❖ 4. I have a cat. ❖ Dou you have a cat? ❖ Yes, I do. No, I don’t. ❖ 5.They can swim(游泳) ❖ Can they swim? ❖ Yes, they can. No, they can’t. ❖ 6. She likes dog. ❖ Does she like dog ? ❖ Yes, she does . No, She does not \ doesn’t.
❖ 3.do (does, did ): does 用于第三人称单数, did用于一般过去时)
❖ 4.行为动词,又叫实义动词,在句中可以独 立充当谓语。
❖ 注意:行为动词的否定句和疑问句的构成 都新需要加助动词do的某种形式。
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❖ 一般疑问句的构成:就是通过把be动词,情 态动词,或助动词提到主语的前面来构成。
❖ 总结:含有情态动词的陈述句变为一般疑 问句,只需要把情态动词提到主语的前面。
❖ 在回到时要用情态动词作答,不能用动词 原形作答。
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❖ 一般疑问句专项练习 ❖ 1. I am an English teacher. ❖ Are you an English teacher ? ❖ Yes, I am . No, I am not. ❖ 2.His father is a doctor. ❖ Is his father a doctor ? ❖ Yes, he is . No, he isn’t. ❖ 3.They are in the zoo. ❖ Are they in the zoo? ❖ Yes, they are . No, they aren’t.
don’t 是 do not 的缩写。 doesn’t 是 does not 的缩写
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❖ I have a green pencil . ❖ Do you have a green pencil ? ❖ Yes, I do. No, I don’t.
❖ He has a bike. ❖ Does he have a bike ? ❖ Yes, he does. No, he doesn’t.
答时要用 it 代替, these, those 在回答时要 用they 来代替。
❖ These are our photos . ❖ Are these your photos ? ❖ Yes, they are . No, they are not \ aren’t.
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I like basketball. Do you like basketball ? Yes, I do . No, I do not \ don’t. She likes orange. Does she like orange ? Yes, she does. No, she does not \ doesn’t
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❖ 总结:1.人称的变化:原句中是 I 的要变为 you(你), 是 we 的要变为You(你们); 是my 的要变为your(你的),原句中是our ( 我们的)要改为your (你们的)。
❖ 2. 加助动词do的某种形式构成的一般疑问 句,在回答时不能使用原句中的谓语动词 (即行为动词)来作答,而是要使用助动 词来作答。
❖ I can play baseball.
❖ Can you play baseball ?
❖ Yes, I can. No, I can not \ can’t. ❖ can’t 是 can not的缩写。
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❖ 当你上课迟到了,你要进教室,你该怎么 说?
❖ May I come in ? 或者 Can I come in ?
❖ 在使用助动词does, did 构成一般疑问句时, 原句中的谓语动词要(还原)使用原形。
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❖ 我们已经学过的情态动词有: ❖ can: (1)能,会;(2)可能 ❖ must: 必须,一定,不得不。 ❖ may / mei:/: (1) 也许,可能;(2)(征求
同意或表示许可) ❖ 情态动词后面必须跟 动词原形。
❖ Yes , she is . No, she is not \ isn’t.
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❖ This is our dictionary.
❖ Is this your dictionary ?
❖ Yes, it is . No , it is not \ isn’t. ❖ 注意:对疑问句中的指示代词this, that 在回
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❖ 7. I go to work by bike every day. ❖ Do he go to work by bike every day ? ❖ Yes, He does. No, he doesn’t. ❖ 8.she goes to school by bus . ❖ Does she go to school by bus ? ❖ Yes, she does. No, she doesn’t. ❖ 9.I do my homework after school. ❖ Do you do your homework after school ? ❖ Yes, I do. No, I don’t.
一般疑问句
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❖ 常见的助动词有:be, have , do .
❖ 1.be (am , is ,are ):am 跟 I; is 用单数; are用复数。
❖ 2.have 有两种形式:(1). has 用于第三人称 单数(she, he , it). (2). have 用于其他人称。
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