what were you doing?

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whatwereyoudoing?whatwereyoudoing?whatwereyoudoing?be动词中are的过去式are的过去式,表示:过去的状态,你刚才在干什么?就是are的过去式呀。~

what were you doing?
what were you doing?

what were you doing?
be动词中are的过去式

are的过去式,表示:过去的状态,你刚才在干什么?

就是 are 的过去式呀。~O(∩_∩)O