Question

had been done是什么时态

Answer 1

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.表示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。

1、尚未完成：

He had been writing the novel．（他没有完成它）

2、企图：

He had been studying the meaning of this proverb．（他一直在努力学习它）

3、未得结果：

We had been studying what our enemy had said．（但我们不能理解）

4、最近情况：

He had been quarrelling with his wife．（近来）

5、情绪：

What had he been doing？（不耐烦）