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句型转换解题技巧.doc


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句型转换解题技巧.doc
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英语句型转换的解题技巧
一、由肯定句变为一般疑问句ﻫ  由肯定句变为一般疑问句的规则是把助动词置于句子的主语之前而把句子变为疑问语序。解题时应把握以下几点:
1、句子的谓语动词如果是be动词,则把be动词直接提到主语之前。ﻫ  (注:在肯定句和一般疑问句中主语的一、二人称要互换。)ﻫ  eg. (1) We are in Class 1, Grade 7 .  → Are you in Class 1, Grade 7 ?ﻫ  (2) He's polite and helpful .   →  Is he polite and helpful ?ﻫ  (3) There are some birds in the big tall tree . → Are there any birds in the big tall tree ?ﻫ (4) Some Americans are going to visit our school next week .
→ Are some Americans going to visit your school next week ?ﻫ  (5) A new modern bridge is being built over the Changjiang River .
→ Is a new modern bridge being built over the Changjiang River ?ﻫ  2、句子的谓语动词中如果有情态动词,则把情态动词直接提到主语之前。ﻫ eg. (1) They can park their cars in front of the supermarket .
→ Can they park their cars in front of the supermarket ?ﻫ  (2) I'd like some more dumplings .  → Would you like some more dumplings ?ﻫ  (3) Children must be kept away from fire .ﻫ  → Must children be kept away from fire ?ﻫ  3、句子的谓语动词如果是现在完成时或过去完成时,则把时态中的助动词have、has或hadﻫ 提到主语之前即可。ﻫ  eg. (1) I have finished reading the interesting book .ﻫ →Have you finished reading the interesting book ?ﻫ  (2) The old woman had been dead before her daughter arrived .ﻫ  → Had the old woman been dead before her daughter arrived ?ﻫ  4、句子的谓语动词如果是行为动词的一般现在时或一般过去时,在改为一般疑问句的时候,
根据主语的人称和单、复数,需要添加助动词do、does或did 。ﻫ  eg.(1) We enjoy the football matches very much .ﻫ → Do you en
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