无敌沈阳人
(1) 一般现在时：am /is /are +及物动词的过去分词；例：I am asked to the party today.(2) 一般过去时：was /were+及物动词的过去分词；例：I was asked to the party last night.(3) 现在进行时：am /is /are being +及物动词的过去分词；例：I am being asked to the party today.(4) 过去进行时：was /were being +及物动词的过去分词；例：I was being asked to the party that time.(5)一般将来时：助动词will +be +及物动词的过去分词；或：am /is /are going to +be +及物动词的过去分词；例：I will be asked to the party tomorrow.例：I am going to be asked to the party tomorrow.(6)过去将来时：助动词would +be +及物动词的过去分词；或：was /were going to +be +及物动词的过去分词；例：I would be asked to the party the next day.例：I was going to be asked to the party the next day.(7)现在完成时：助动词has /have +been +及物动词的过去分词；例：I has been asked to the party today.(8) 过去完成时：助动词had +been +及物动词的过去分词；例：I had been asked to the party the day before.另外,含有情态动词的被动语态构成为：情态动词+助动词be +及物动词的过去分词.例：I may be asked to the party today.
木易木每
1 被动语态的构成 被动语态的基本结构是“助动词be +过去分词”.被动语态的谓语动词有各种时态变化,以动词take为例,将被动语态常见时态的动词形式列表如下： 一般现在时 现在进行时 现在完成时 一般将来时 am/is/are taken am/is/are being taken have/has been taken will/shall be taken 一般过去时 过去进行时 过去完成时 过去将来时 was /were taken was/were being taken had been taken would/should be taken 从上表中可以看出,被动语态的各种时态变化都是通过助动词“be”的各种时态来表示的,因此只要知道“be”的时态形式,也就掌握了被动语态构成 2 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 例Visitors are requested not to touch the exhibits. 2） has /have been done 现在完成时 例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 例A new cinema is being built here． 4） was/were done 一般过去时 例I was given ten minutes to decide whether I should reject the offer. 5） had been done 过去完成时 例 By the end of last year,another new gymnasium had been completed in Beijing. 6） was/were being done 过去进行时 例A meeting was being held when I was there. 7） shall/will be done/ be going to be done/ be about to be done/ be to be to done一般将来时 例Hundreds of jobs will be lost if the factory closes. 8） should/would be done/ was\were going to be done/ was\were about to be done/was\were to be to done一般将来时 例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） 例The project will have been completed before July. 10） should/would have been done 过去将来完成时（少用） 例He told me that his new clothes would have been made very soon.
may123456789
一般过去时：was/were done。一般将来时：shall/will be done。一般过去将来时：should/would be done。现在进行时：is/am/are being done。1.一般现在时:am/is/are done You are required to do this. 2.一般过去时：was/were done The story was told by her. 3.一般将来时：shall/will be done The problem will be discussed tomorrow. 4.一般过去将来时：should/would be done He said that the trees would be planted soon. 5.现在进行时：is/am/are being done The question is being discussed in the meeting room. 6.过去进行时：was/were being done The new road was being made. 7.现在完成时：has/have been done The novel has been read. 8.过去完成时：had been done He said that the work had been finished. 9.将来完成时：shall/will have been done The project will have been completed before July.
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