情态动词的被动语态课件.ppt

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1、,吴碧先,情态动词被动语态课件,林凤中学,语态的种类：和。主动语态：表示主语是。被动语态：表示主语是。被动语态结构：be+p.p.(动词的过去分词)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

2、should be allowed to watch Tvon 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 ofthe reading-room.5.We should plant many trees on the mountains.,shouldnt be planted,must not be taken,Many trees on t

3、he mountains.,6.应该允许青少年和朋友们一起出去。Teenagers to go out with their friends.7.孩子们应当被允许星期五晚上和朋友们一起去看电影。The children to go to the movies with friends on Friday nights.,should be planted,should be allowed,should be allowed,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

4、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

5、 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 flowe

6、r now.The flower by you now,17.Wecanrepairthiswatchintwo.18.We should do the work as soon as possible.The work as soon as possible.,This watch can be repaired in two days,should be watered,should be done,19.You must pay attention to your pronunciation,Your pronunciation attention to(by you).20.We ca

7、n finish the work in two days.The work in two days 21.You can dig a hole in the earth A Hole in the earth,must be paid,can be finished,can be dug,22.You must not plant trees in very dry earth.,Trees in very dry earth.23.在学校必须要遵守校规。School rules at school.24.交通规则需要遵守吗？是的，必须要遵守的。traffic rules?Yes,they.,must not be planted,must be obeyed,must be obeyed,Need,be obeyed,must be obeyed,