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hAD BEEn DonE

“had been done” 表示过去的过去,是过去完成的被动态时。(当你想说发生在过去的两件事时,就要分清谁先谁后。先发生的用过去完成时,后发生的要用过去时)。 如:The rooms had been cleaned when I came. 我来的时候,房间已经被打扫了。 hav...

have\has done 叫现在完成时。表示动作发生在过去,对现在有一定的影响。通常与时间段连用。 had done 是过去完成时。表示动作发生在过去的过去。通常句中有过去时间状语作参照。 have/has been done 是现在完成时的被动语态。表示某事被做,并...

have\has done 叫现在完成时。表示动作发生在过去,对现在有一定的影响。通常与时间段连用。 如:I have finished my homework. / It has rained for three days. had done 是过去完成时。表示动作发生在过去的过去。通常句中有过去时间状语作参...

1、首先要区分has been done与 had been done的区别: have/has been done 是现在完成时的被动语态。表示某事被做,。 如:The problems have been solved.这些问题已经被解决了。 had been done 则是过去的过去,是过去完成的被动态时。(当你...

1、首先要区分has been done与 had been done的区别:have/has been done 是现在完成时的被动语态。表示某事被做,。 如:The problems have been solved.这些问题已经被解决了。 had been done 则是过去的过去,是过去完成的被动态时...

“was done”是一般过去时的被动语态was/were done之一。表示一个过去发生的动作,而被动语态是表示主语被怎样,其中主语是动作的被执行者即动作承受着。 “had been done”,也是英语两大语态中的被动语态,但它的时态为过去完成时。过去完成时表示...

had been done过去某个时间之前已经被做、被完成 had been doing过去某个时间之前已经在做或者继续在做 had be done是错的。时态和语态多不对。 had being done也是错误的。时态和语态都不对。 had纯粹的过去动作。

1、首先要区分has been done与 had been done的区别: have/has been done 是现在完成时的被动语态。表示某事被做,。 如:The problems have been solved.这些问题已经被解决了。 had been done 则是过去的过去,是过去完成的被动态时。(当你...

先按照被动语态区分,havebeendone是被动,其它都是主动(bedone形式都是被动)havedone现在完成时,havebeendoing现在完成进行时(bedoing是进行时,而havedone是完成,be的过去分词是been,于是就是现在完成进行时)willhavedone由于有havedone...

恩 我先来说一下例句 一。His trousers was been worn out. (这里的 过去分词是做表语,表明一种状态) was been done,而这里的逻辑主语又是他的裤子,所以用被动,是被他穿破的 二。 The bicycle is been riding by my brother now. (这里的 ...

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