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1、,主动形式表示被动意义并非所有的被动意义都要用被动形式来表示，在下列情况下，我们可用主动形式表示被动意义：1。Open,move,work,shut,play,act,keep,write,cook,wear,wash,read,sell,burn等动词与cant,wont或well,easily连用表示物之属性时。如：The door wont open.门打不开。This pen writes well.这支钢笔好使。,2.feel,taste,smell,sound,appear,prove,look等用作连系动词表示物之属性时。如：The soup tastes delicious.这
2、汤味道鲜美。The news proved to be true.这消息被证实是真实的。3。Increase,improve,develop,drop,break,hang,stop,blow等强调物之自动性而非受外力影响时。如：My handbag hangs over there.我的手提包挂在那里。,His English improved a lot.他的英语提高了不少。4.happen,take place,break out,belong to,cost,spread,go out,run out,add up(to),catch on,come out,consist of,tu
3、rn out等词组只能用于主动语态，没有被动语态，但主动语态含有被动意义。This new bike belongs to you.这辆新自行车属于你的。When will your book come out?你的书什么时候出版？,5.在be worth doing 结构中。如：That kind of book is not worth buying.这种书不值得买。This speech is well worth listening to.他的演说很值得一听。6.在sth.+need/want/require+doing.结构中。如：Your bike requires repairi
4、ng.你的自行车需要修理。若用动词不定式，则需要用被动结构。,如：The flowers need to be watered.这些花需要浇水。7.在S+be+easy/difficult/interesting/heavy/nice/fit+to do.结构中。如：Her new dress is nice to look at.她的新衣服很好肯。也可在tooto和enough for us to live in.这房间不够大，我们住不下.,8.在find/make/feel/think/suppose/expect+宾语+adj.+to do.结构中。如：She thinks the ma
5、n hard to deal with.他认为那个人难对付。9.动词不定式作定语且其逻辑主语在句中已出现时。如：She has a lot of clothes to wash tonight.(衣服是她自己洗）He gave me some letters to type.(信是交给我打印）,若动词不定式动作的逻辑主语在句中没有出现的话，则需要用被动式。如：I have some English books to be taken to my sister(是需要别人为我带去）She has some clothes to be washed.(是有衣服需要别人替她洗）10.在“疑问代词+不定式”的结构中。如：I am considering what to do next.我在考虑下一步怎么办。She didnt know which skirt to choose.(他不知道该选择哪一件裙子）。,
