初中英语句型转换答题技巧ppt课件

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一.将下列句子改为否定句和一般疑问句。 1.He is a good teacher.
He ___ ____a good teacher.(否定句) ____ _____ a good teacher?(一般疑问句) 2. She has already finished her homework now. She ___ ___ finished her homework____.(否) ____she finished her homework____?（疑） .
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2. 当句子的时态为一般过去时，变一般疑 问句时主语前加did，再还原. e.g. Mike drew a picture on the blackboard. → Did Mike draw a picture on the blackboard？ I visited the Great Wall last year. → Did you visit the Great Wall last year?
He can’t sing. You should work hard. → You shouldn’t work hard. 3.助动词：have, has, had(完成时中)后加not. E.g. He has been here for five years. → He has not been here for five years.
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一. 直接把动词提前： 1.be 动词：am, is, are, was, were放到句首. E.g. They are students. →
Are they students？ She was at home yesterday. → Was she at home yesterday?
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8. Li Ming’s father can drive the car. Li Ming’s father ___ ___drive the car. （否定） ____ Li Ming’s father drive the car? (一般疑问)
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2.情态动词：can, may, could, should, will, would, might 放到句首. E.g. He can sing. →
Can he sing? They will visit the museum next week.→ Will they visit the museum next week? 3.助动词：have, has, had(完成时中)放到句首. E.g. He has been here for five years. → Has he been here for fivondon last week. Ann ____ ____to London last week. （否定） ___ Ann ___to London last week? (一般疑问)
7. Sit down, please. _____ sit down, please.（否定句）
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3. It will rain tomorrow. It ____ ____rain tomorrow.（否定句） ____ ___ rain tomorrow? （一般疑问句）
4. I like apples. I ____ _____apples. （否定句） ____ ____like apples? （一般疑问句） 5. My father watches TV every evening. My father _______ _____ TV every evening. ____ your father _____TV every evening?(疑)
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三. 肯定句是祈使句，直接加don’t, 切忌在 do 后直接加not。 e.g. Open the book, please.
Don’t open the book, please.
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一般疑问句并不难， 助情动词放句前。 两种回答回答yes no, 句首动词人后面。 没有现成怎么办？ Do does did 来相伴。 三单过去要还原， 问号结尾在后面。
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二.在动词前加don’t, doesn’t, didn’t。 1. 当句子的时态为一般现在时，主语为第三
人称单数时，动词前加doesn’t，再还原为 动词原形.其他人称加don’t. e.g. Tom exercises every day. →
Tom doesn’t exercise every day. I love playing football. → I don’t love playing football.
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二.在主语前加 do, does, did。 1. 当句子的时态为一般现在时，主语为第三
人称单数时，主语前加does，再还原为动 词原形.其他人称加do. e.g. Tom exercises every day. →
Does Tom exercise every day? I love playing football. → Do you love playing football?
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2. 当句子的时态为一般过去时，变否定句时 动词前加didn’t，再还原. e.g. Mike drew a picture on the blackboard. → Mike didn’t draw a picture on the blackboard. I visited the Great Wall last year. → I didn’t visit the Great Wall last year.
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句型变化很简单， 先把句中动词看。 be may must will can, 否定句not加后边。 没有现成怎么办? do does did 来相伴。 一二人称要转变， 三单过去要还原。
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一. 直接在动词后加not。 1.be 动词：am, is, are, was, were 后加not. E.g. I am a teacher. →
I am not a teacher. We are students. → We are not students. She was at home yesterday. → She was not at home yesterday.
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2.情态动词：can, may, could, should, will, would, might 后加not. E.g. He can sing. →