英语被动语态总结与练习一、被动语态的构成形式1。 被动语态的基本时态变化 被动语态通常为十种时态的被动形式， 被动语态由“be＋过去分词”构成，be 随时态的变化而变化。以 do 为例，各种时态的被动语态形式为： 1） am/is/are +done (过去分词） 一般现在时 Visitors are requested not to touch the exhibits。2) has /have been done 现在完成时 All the preparations for the task have been completed, and we’re ready to start。 3) am/is /are being done 现在进行时 A new cinema is being built here． 4） was/were done 一般过去时 I was given ten minutes to decide whether I should reject the offer。 5) had been done 过去完成时 By the end of last year, another new gymnasium had been completed in Beijing。 6) was/were being done 过去进行时 A meeting was being held when I was there。 7) shall/will be done 一般将来时 Hundreds of jobs will be lost if the factory closes。 8） should/would be done 过去将来时 The news would be sent to the soldier's mother as soon as it arrived。 9） shall/will have been done 将来完成时（少用） The project will have been completed before July。 10) should/would have been done 过去将来完成时（少用）He told me that his new clothes would have been made very soon. 2。 被动语态的特别结构形式 1) 带情态动词的被动结构。其形式为：情态动词＋be＋过去分词。The baby should be taken good care of by the baby—sitter。 2) 有些动词可以有两个宾语，在用于被动结构时，可以把主动结构中的一个宾语变为主语，另一宾语仍然保留在谓语后面.通常变为主语的是间接宾语。 His mother gave him a present for his birthday。 可改为 He was given a present by his mother for his birthday。 3) 当“动词+宾语+宾语补足语”结构变为被动语态时，将宾语变为被动结构中的主语,其余不动。 Someone caught the boy smoking a cigarette. 可改为 The boy was caught smoking a cigarette. 4） 在使役动词 have， ma...
