人教版英语九年级全册Unit7 语法专练：情态动词的被动语态

Unit7 语法专练：情态动词的被动语态
一、单项选择。

1. People who drink wine ______ to drive.
A. don’t allow
B. isn’t allowed
C. mustn’t allow
D. mustn’t be allowed
2. —How often do I need to feed the birds?
—They ______ food every day, or they will be hungry.
A. must give
B. mustn’t give
C. must be given
D. mustn’t be given
3. Today a lot of information can ______ online.
A. receive
B. be received
C. is received
D. receiving
4. Boys and girls, the books in the library should ______ good care of.
A. take
B. are taking
C. be taken
D. taken
5. Because of the support from all over the country, beautiful new buildings ______ here and there in the earthquake-hit areas in Sichuan now.
A. can see
B. can be seen
C. will be seen
D. will see
二、句型转换
1. The teacher should allow Peter to take the test later. 〔改为被动语态〕
Peter ______ ______ ______ to take the test later.
2. I should be allowed to make my own decisions. 〔改为否认句〕
I ______ ______ ______ to make my own decisions?
参考答案及解析：
一、
1. D 由句意“喝酒的人一定不允许开车〞可知，“喝酒的人〞与谓语动词“允许〞构成了被动关系，并且语气很强烈，应选D。

2. C 主语they和动词give之间是被动关系，故用被动语态。

含有情态动词的被动语态的构成为“情态动词+ be+及物动词的过去分词〞，故排除A、B两项。

由下文“否那么它们会饿〞可知“必须每天给它们食物〞，用肯定形式，应选C。

3. B 主语information和动词receive之间是被动关系，故用被动语态。

含有情态动词的被动语态构造为“情态动词+be+及物动词的过去分词〞。

应选B。

4. C 主语the books和动词短语take good care of之间是被动关系，故用被动语态。

含有情态动词的被动语态的构成为“情态动词+be+及物动词的过去分词〞。

5. B buildings与see之间为被动关系，应用被动语态；结合语境及now可知新建筑已被建起来，应选B。

句意：由于全国各地的支持，现在在四川地震灾区到处都能看到美丽的新建筑。

二、
1. should be allowed
2. shouldn’t be allowed。