含情态动词的被动语态用法及练习含答案
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1 / 3 含情态动词的被动语态
I don’t think sixteen-year-old students should be allowed to drive.
Teenagers should not be allowed to have part-time jobs.
Can the word be used in this way?
Who should be sent to have the meeting?
The work must be done before Friday.
结构：情态动词+be +及物动词过去分词
句式：
肯定句 主语+情态动词+be +及物动词过去分词...
否定句
主语+w情态动词+not+ be+及物动词过去分词...
一般疑问句 情态动词+主语+be + 及物动词过去分词...?
特殊疑问句 疑问词+情态动词（+主语）+be +及物动词过去分词...?
含情态动词的主动句改被动句，谓语部分改为“情态动词+be + 及物动词过去分词”
We must turn off the mobile phones before the meeting starts.
The mobile phones _must_ _be_ turned__ _off____ before the meeting starts.
完成句子
1.Teenagers should be allowed to play games at school.（改为否定句）
Teenagers _______ _____ _______ to play games at school.
2. Many trees must be planted every year.（改为一般疑问句）
______ many trees ____ _______ every year?
3. Stars can be seen by us at night.（改为一般疑问句）
_____ stars _____ ______ by us at night?
4. 应该允许孩子与朋友们一起学习。
Children _____ ___ _____ to study with friends.
5. Students must finish their homework on time.（改为被动句）
The homework ____ __ _____ on time by students.
1. shouldn’t be allowed 2.Must; be planted 3.Can; be seen 4.should be allowed
5.must be finish
2 / 3 单项选择
1. There is no way from the village to the city. We think a road ____.
A. was built B.should be built C. has been built D. is being built
2. Students ______ to use E-mail in English class.
A. may not B.can’t C.shouldn’t D. shouldn’t be allowed
3.Teenagers _____ to practice their hobbies as much as possible.
A.should allowed B.be allowed C.should be allowed D.is allowed
4.-How often do I need to feed the bird?
-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
5.As everyone knows, rubbish______ everywhere.
A.need be thrown B.mustn’t be thrown C.can’t throw D.may throw
6.With the help of the people around China, many beautiful new buildings_____here
and there in the earthquake-hit area in Sichuan.
A.can see B.can be seen C.will see D.saw
7.-How often do I need to check the list?
-It_______ every five minutes.
A. must check B.must be check C.must be checked D.must be checking
8. Should a teenager______ to get a driving license?
A. be allow B.allow C.be allowed D.allowed
9. -If we take a shower instead of a bath, more water _____.
-I agree with you.
A. has saved B.can save C.can be saved D.be saved
10. Children should _______ good care of by parents.
A. be taken B.take C.are taking D.takes
11. -Food safety is very important.
-So some rules _____ to stop people from polluting food.
A. must make B.must be made C.must made D.be made
3 / 3 12. Teenagers ______ allowed to drive.
A. should not be B.should be not C.not should be D.not be should
1-5 B D C C B 6-12 B C C C A B A
