题目内容
5.分析 我正在看电视的时候有人来敲门.
解答 答案:When I was watching TV,someone knocked on/at the door.结合图片一个男孩在家看电视,门口有人在敲门,我们用一般过去时来表达,用when当…时候,引导时间状语从句,主句是有人在敲门,主语someone不定代词,敲门knock on/at the door,knock的过去式knocked,故someone knocked on the door,从句是我正在看电视的时候用过去进行时was/were+doing,主语I,故用was,看电视watch TV,故When I was watching TV,故答案是When I was watching TV,someone knocked on/at the door.
点评 这里是一个动作发生的时候另一个动作正在发生,故用进行时.
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