had been doing是什么用法?
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)
2018-06-11 广告
has
been doing的时态是现在完成进行时,表示现在之前已发生过或完成的动作或状态。
has been
doing:一直在做
现在完成进行时表示动作从某一时间开始,一直持续到现在,或者刚刚终止,或者可能仍然要继续下去。(与since,for连用时,要用连续性动词,不可用瞬间动词,但连续性动词常常表示动作会进行下去) 其构成为主语+助动词(have/has)+been+动词的 现在分词+其他成分
has been
doing的用法
1、The
government has been doing some blue-sky thinking on how to improve school
standards.
就如何提高学校的水平,政府仍然在作一些漫无边际的构想。
2、He
has been doing long - distance running exercise for a long time now.
他练长跑已经不少日子了。
扩展资料:
has been doing表示动作到现在为止一直在做
had been doing表示动作到过去某一时刻为止一直在做
have been doing 表示现在的时间段完成了某个动作或者表示从过去到现在,直至以后一直持续的动作。
had been doing 表示 过去一点之前开始的动作 到这个点完成,或者这个点之前开始的,一直持续到 这个点。 总之一句话have been doing 表示现在的动作 ;had been doing 表示过去的动作。