六年级英语句型转换方法归纳

句型转换方法归纳

改为一般疑问句

1、先找be动词 am, is, are, was, were或情态动词can, may ,must, would，should ,could .如果有这些词，直

接把这些词放在句子最前面， some 改成any，句号改成问号！其余照抄；（如果主语是第一人称则变成第二人称）2、如果句子中没有be动词或者是情态动词，要在句子最前面加助动词 do 、does或者是did。

首先判断句子时态，如果句子是过去式，则要在句最前面加Did，后面动词用原型，some改成any，句号改成问号，其余照抄；（如果主语是第一人称则变成第二人称）

如果句子不是过去式，则判断是否为第三人称单数，如果第三人称单数，要在句子最前面前加助动词Does,后面动词用原型，some 改成any，句号改成问号，其余部分照抄。（如果主语是第一人称则变成第二人称）

其他情况均要在句子最前面加助动词do，some改成any，句号改成问号，其它部分照抄. （如果主语是第一人称则变成第二人称）

改为否定句

1、先找be动词 am, is, are, was, were或情态动词can, may ,must, would，should ,could .如果有这些词，直

接在这些词的后面加not， some 改成any，其余照抄；

2、如果句子中没有be动词或者是情态动词，要在动词前面加don’t 、doesn’t或者是didn’t。

首先判断句子时态，如果句子是过去式，则要在动词前面加didn’t，后面动词用原型，some改成any，其余照抄；

如果句子不是过去式，则判断是否为第三人称单数，如果第三人称单数，要在动词前面前加doesn’t,后面动词用原型，some 改成any，其余部分照抄。

其他情况均要在句子动词前面加don’t，some改成any，其它部分照抄.

对划线部分提问

第一步：先把句子改成一般问句

第二步：把提问部分省略，在句子最前面加疑问词。（如果提问部分是动词词组，要把它改成do；如果提问部分是动名词词组，要把它改成doing）

（注：如划线部分为主语，则用who代替，其余照抄；如划线部分为动词或动词短语，则用do代替，句前加

（注：我I 、我们we 是第一人称；你you，你们you是第二人称；剩下的全部是第三人称）

单词意思用法when 什么时间问时间who 谁问人whose 谁的问主人where 在哪里问地点which 哪一个问选择why 为什么问原因what 什么问东西what time 什么时间问时间what colour 什么颜色问颜色what about …怎么样问意见what day 星期几问星期what date 什么日期问具体日期what for 为何目的问目的how …怎么样问情况how old 多大问年龄how many 多少问数量how much 多少问价钱how about …怎么样问意见how far 多远问路程

情态动词练习

1. You _____ all those clothes. We have a washing machine to do that sort of thing.

A. needn’t have washed

B. shouldn’t have washed

C. must not have washed

D. can not have washed

2. John _____ his father about his failure in the exam.

A. dares not tell

B. dares not telling

C. dare not tell

D. dares not to tell

3. Tom’s score on the test is the highest in the class; he _____ last night.

A. should study

B. should have studied

C. must have studied

D. must have to study

4. This pen looks like mine, yet it isn’t. Whose _____ it be?

A. must

B. can

C. may

D. might

5. Nobody knows how people first came to these islands. They _____ from South America on rafts.

A. must have sailed

B. can sail

C. might have sailed

D. should have sailed

6. He must have finished his homework, _____ he?

A. mustn’t

B. didn’t

C. needn’t

D. hasn’t

7. Walking alone in the deserted village, John was scared. He thought he _____ Tom to go with him.

A. might have asked

B. should asked

C. must have asked

D. should have asked

8. As a soldier, you _____ do as the head tells you.

A. will

B. shall

C. may

D. ought

9. You should bear in mind that he is not as strong as he _____.

A. was used to be

B. used to be

C. was used to

D. use to

10. Since it is already midnight, we _____.

A. had better leaving

B. ought to have left

C. must have left

D. might as well leave

11. Mary _____ my letter, otherwise she would have replied before now.

A. should have received

B. has received

C. couldn’t have received

D. ought to have received

12. In case I _____, I would try again.

A. will fail

B. would miss

C. should fail

D. shall miss

13. What _____ would happen if the director knew you felt that way?

A. will you suppose

B. you suppose

C. do you suppose

D. you would suppose