情态动词的被动语态课件ppt.ppt

吴碧先
情态动词被动语态课件
林凤中学
Ⅰ语态的种类： 和 。
Ⅱ主动语态：表示主语是 。
被动语态：表示主语是 。
Ⅲ被动语态结构：be+p.p.(动词的过去分词)
Ⅳ情态动词的被动语态：情态动词+ be+p.p
问题：情态动词+ be+p.p. 这一结构怎么进行句型转换？
主动语态
被动语态
情态动词被动语态
动作的执行者
动作的承受者
含有情态动词的句子进行句型转换时只针对 ，要么在后 , 把 提前。
例子:1We should allow teenagers to watch
主语 谓语动词 宾语
Tv on the weekend . →
2教室必须天天打扫
Classroom every day .
情态动词
Teenagers should be allowed to watch Tv
on Sunday( by us) .
must be cleaned
加not
情态动词
3稻谷不应该种在山上
Rice on the hill.
4.You must not take these magazines out of the reading-room. →
These magazines out of
the reading-room.
5.We should plant many trees on the mountains.
→
shouldn’t be planted
must not be taken
8.木头能做桌子吗？是的，能。
tables of wood ?
Yes , they of wood.
9.废纸不应该扔在这里。
Waste paper here.
10.这件事应该是李明干吗？
the thing by Li Ming？
Can
be made
can be made
should not be thrown
Should
be done
11.Parents should allow fourteen-year-olds to choose their own clothes. →
Fourteen-year-olds to choose their own clothes （by parents）
12.Teachers can use cartoons to give examples in class about aids.
Kartoons to give examples in class about aids.
should be allowed
can be used
13.He can fix the computer. →The computer by him.
14.Students may use the computers here. →
The computers by students.
15. You must water the flower now.
The flower by you now.
can be fixed
may be used
must be watered
16. You should water the flower now.→The flower by you now
17.We can repair this watch