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to hAvE BEEn DonE是什么时态

have been done 这个是什么时态的结构have been done 是现在完成时中的被动结构。其被动语态完整结构:肯定式为:have/ has +been +done。

to have been done和have been done区别 在什么时候用动词不没有任何区别。短语中。动词前可以加也可以不加to

动词+to have/having been done 是什么用法?动词+to do sth结构很了解吧,这是动词的不定式,"动词+ to have done"也是不定式,只不过是表示动作发生于过去并且是主动的;

“have being done”是什么时态?He has done his homework.他已经做完作业了。如果将该句变为被动语态就是:His homework has been done.他的作业已经做完了。

have been done什么时态回答:现在完成时的被动语态。 have been是现在完成时 been done是被动语态的结构

have been done 是什么时态? 那have done呢?例句.It ought to have been done long ago。此时“被做的事”作主语用被动形式 2.这事早该做完的have done是过去完成时

have been done 这个是什么时态的结构3 have been done 是现在完成时的被动语态 4 have been doing 是现在完成进行时 解析看不懂?免费

非谓语动词having been done,to have been done什么完成式 to have done to have been done 2)动名词 时态\语态 主动 被动 一般式 doing being done 完成式

have been done是什么时态have been done被动语态 的一般完成时 The walls have been done in beige. 墙漆成淡棕色.

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