摘要：II. 动词的被动语态: 常用被动语态 构成 常用被动语态 构成 1 一般现在时 am/is/are asked 6 过去进行时 was/were being asked 2 一般过去时 was/were asked 7 现在完成时 have/has been asked 3 一般将来时 shall/will be asked 8 过去完成时 had been asked 4 过去将来时 should/would be asked 9 将来完成时 will/would have been asked 5 现在进行时 am/is/are being asked 10 含有情态动词的 can/must/may be asked 注 意 事 项 被动语态的否定式是在第一个助动词或情态动词后加not.短语动词的被动态不可漏掉其中介副词.固定结构be going to, used to, have to, had better变为被动态时.只需将其后的动词变为被动态. 如: Trees should not be planted in summer. / The boy was made fun of by his classmates. Newspapers used to be sent here by the little girl. 汉语有一类句子不出现主语.在英语中一般可用被动结构表示.如: It is believed that- It is generally considered that- It is said that- It is well known that- It must be pointed out that- It is supposed that- It is reported that- It must be admitted that- It is hoped that- 下面主动形式常表示被动意义:如: The window wants/needs/requires repairing. The book is worth reading twice. The door won’t shut. / The play won’t act. The clothes washes well. / The book sells well. The dish tastes delicious. / Water feels very cold. 下面词或短语没有被动态: leave, enter, reach, become, benefit, cost, equal, contain, last, lack, fit, fail, have, appear, happen, occur, belong to, take place, break out, come about, agree with, keep up with, consist of, have on, lose heart等等

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