was doing、had been doing和had been done都有什么区别?was doing和had been doing不是都是指过去一段时间做的事情吗?他们俩有什么区别吗?had been doing 和 had been done 又有什么区别. 话说我在写英语句子时不
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![was doing、had been doing和had been done都有什么区别?was doing和had been doing不是都是指过去一段时间做的事情吗?他们俩有什么区别吗?had been doing 和 had been done 又有什么区别. 话说我在写英语句子时不](/uploads/image/z/11823055-7-5.jpg?t=was+doing%E3%80%81had+been+doing%E5%92%8Chad+been+done%E9%83%BD%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB%3Fwas+doing%E5%92%8Chad+been+doing%E4%B8%8D%E6%98%AF%E9%83%BD%E6%98%AF%E6%8C%87%E8%BF%87%E5%8E%BB%E4%B8%80%E6%AE%B5%E6%97%B6%E9%97%B4%E5%81%9A%E7%9A%84%E4%BA%8B%E6%83%85%E5%90%97%3F%E4%BB%96%E4%BB%AC%E4%BF%A9%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB%E5%90%97%3Fhad+been+doing+%E5%92%8C+had+been+done+%E5%8F%88%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB.+%E8%AF%9D%E8%AF%B4%E6%88%91%E5%9C%A8%E5%86%99%E8%8B%B1%E8%AF%AD%E5%8F%A5%E5%AD%90%E6%97%B6%E4%B8%8D)
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A,Yfo%ymOh|aaAp ۮ"?!G!2H4 was doing、had been doing和had been done都有什么区别?was doing和had been doing不是都是指过去一段时间做的事情吗?他们俩有什么区别吗?had been doing 和 had been done 又有什么区别. 话说我在写英语句子时不 was doing、had been doing和had been done都有什么区别?was doing和had been doing不是都是指过去一段时间做的事情吗?他们俩有什么区别吗?had been doing 和 had been done 又有什么区别. 话说我在写英语句子时不 was doing 过去进行时,虽然是过去某段时间的动作,但是它的时间参照物是现在 was doing 过去进行时
was doing、had been doing和had been done都有什么区别?
was doing和had been doing不是都是指过去一段时间做的事情吗?他们俩有什么区别吗?
had been doing 和 had been done 又有什么区别.
话说我在写英语句子时不知道什么时候该加ing...怎么办TAT
was doing是过去进行时,表示过去正在发生.例如:She was washing when her son came in.(她儿子进来时她正在洗衣服.)
had been doing是过去完成进行时,基本相当于过去完成时,但可以强调动作延续.例如:They had been playing chess for the whole afternoon when their father went back from work.(他们的父亲下班回来时,他们已经下了一下午棋了.)
had been done是过去完成时的被动式,和前两个没有关系.例如:When the firemen got to the building,the fire had been put out.(等消防员感到那栋大楼的时候,火已经被扑灭了.)
had been doing 过去完成进行时,是过去的过去,时间参照物是过去
had been done 过去完成时的被动语态,表示在过去的过去某个动作已经被完成了
had been doing 过去完成进行时
had been done 过去完成时的被动式