was doing、had been doing和had been done都有什么区别?
来源:学生作业帮 编辑:百度作业网作业帮 分类:英语作业 时间:2024/08/13 14:51:16
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、had been doing和had been done都有什么区别?](/uploads/image/z/6866543-47-3.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%3F)
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.)
was doing、had been doing和had been done都有什么区别?
had been doing 和had been done有什么差别
had been doing 和had been done有什么差别?
had been doing 和 had done的区别
英语时态区分have done .have been doing.had done.had been doing.有什么
had done 和 had been done有什么区别啊?
have been doing 和have done 还有had done三者的区别,用法
have had . 和have done . had done . 和 have been doing . had b
have done.have been done .had done.had been done 有什么区别?怎么用?有
was done和had been done的区别
had been doing
must have been doing与must have been done都表示推测,有什么区别呀?