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wAs FounD Doing

Found sb doing sth,发现某人在做什么事;也可以写 found that sb was doing sth,此时后面跟的是that 从句

i was doing表示过去进行时,表示过去正在进行,i did表示一般过去时

这个句式的意思是“当……的时候……正在做……” 举例如下: I was watching TV when mom came in-当妈妈进来的时候我正在看电视 She was doing homework when we were watching TV last night- 昨晚当我们在看电视的时候她正在做家庭作业。 有用望请采...

对。

要根据具体的语境。 1、如果是用于(宾语)从句,只能用 What she was doing 如: 1). Can you tell me what she was doing ? 你能告诉我她在做什么吗? 2). I want to know what she was doing . 我想知道她在做什么。 注:宾语从句的结构是:...

看情况, 如果是过去正在做什么 ,就用过去进行时 was doing sth ,如He was watching Tv when i came in. 但是be to do 是be 动词+ 不定式。表示将来,命令。命运等, 如 he is to present the awards at the meeting tomorrow.

一般过去时与过去进行时的区别: 一般过去时:强调过去某一时间开始或完成的动作。 过去进行时:强调过去某一时间正在进行的动作。 试区别下面两句: We were building a reservoir last winter. 去年冬天我们在修建一座水库。(可能尚未建成) ...

一般情况下,用was是对的,但如果是虚拟语气,就要用were as if she were doing sth 好像她正在做某事

过去进行时,就是代表很早就做过的事情。 这里翻译为:已经早就开始做了。 起点在过去,但是现在还在进行。

1、过去式用did,过去进行时用was/were doing 2、A 3、A 4、were doing 5、were doing 这里需要注意when\while的区别。

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