had been doing什么意思，在线翻译英文读音解释

had been doing这是过去完成进行时；表示从过去的某一个时间点开始做某事一直持续到过去的某个时间点并且仍在进行。

Had been doing是过去完成进行时  常见提示（all day；all night；all this morning）

过去完成进行时表示动作在过去某一时间之前开始，一直延续到这一过去时间该动作可能刚刚结束，也还可能还在进行必须以一过去时间为前提。例子（I had only been reading a few minutes when he came in.）when he came in 就是某一时刻点，而不是好像have been doing 中的一段时间

扩展资料：

特别含义：

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）