语法总结

　　被动语态

　　一. 概念：主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受者。

　　二. 各种时态被动语态的形式

　　一般现在时的被动语态

　　am/is/are + done

　　一般过去时的被动语态

　　was/were + done

　　一般将来时的被动语态

　　will bedone is/am/are going to be done

　　现在进行时的被动语态

　　is/am/are + being + done

　　表示说话人说话时或现阶段正在进行的动作，经常和时间副词 now (现在), right now (现在, 此刻), at present (现在,目前), at this moment (此刻)连用。

　　5.现在完成时的被动

　　have/has been done

　　现在完成时常与 already,always, often, ever, never, yet, not...yet, just 等不表示明确的时间副词连用, 还可以和表示时间一直延续到目前的带(ever )since, for 的状语及包括现在在内的词连用。

　　如: now, today, this month, this year, recently, these days，many times, so far, by now, in the past/last few days/years… 等。

　　过去完成时的被动 had been done

　　过去将来时的被动 would be done

　　过去进行时的被动 was/were being done

　　带情态动词的被动语态 情态动词 + be done

　　动词不定式的被动式 to be done

　　例：It is an honor for meto be asked to speak here.

　　三. 注意事项

　　并不是所有动词都有被动语态

　　happen, take place, break out, belongto, cost, last 等不及物动词或词组无被动语态。

　　短语动词、固定搭配变被动语态介词或副词不能省。

　　例：Time should be madefull use of.

　　双宾语：一个宾语成主语，另一主语保留不变。

　　例：Mother will buy me aniphone5. → I will be bought an iphone5 (by my mother) .

　　→ An iphone5 will be bought for me (bymy mother) .