网络释义
(十一) 过去完成进行时 （had been doing ）: 表示过去某时间之前一直进行的动作。 It had been raining for two days.
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... 现在完成进行体 has been doing 过去完成进行体 had been doing 一般形式 (to) do (to) be done ...
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您正在查看 "学习空间" 分类下的文章 ... There is no reason why （先因后果） There is no reason because （先果后因） had been doing 过去一直…… ...
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I had been doing 过去完成进行时 ; 我一直在干什么
双语例句原声例句权威例句
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Benjamin was forced to admit what he had been doing.
本杰明被迫承认他所做的一切。
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I had told people what he had been doing, so now the police were onto him.
我已经告诉人们他一直在从事的勾当，所以现在警察都对他很清楚了。
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He asked me what I supposed he had been doing.
接着他又问那我认为他刚才在做什么。
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I was only 12, but I tried to sound like I had been doing this for years.
VOA: special.2010.01.30
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At this point the study had been undertaken, there had been many, many more trials that had been done on cancer in men than there had been done on cancer in women, so there was a political reason for doing it as well.
研究就是基于这一点开始的,但在完成了的癌症实验中,关于男性的实验,要远多于关于女性的,这样做也是有政治因素的
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It's been a while since I've been doing that because I haven't had as much free time as I would have liked.
我已经很久没有播报了。因为我最近都没有太多的空余时间。
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