请问这句话中的watch为什么要加ing?he fall asleep while watching television.
人气:337 ℃ 时间:2019-09-29 00:25:28
解答
fall不对,应该用过去式fell.He fell asleep while watching television.一句中在while和watching之间省略了he was,从意义上来说,后半句应该用过去进行时,当状语从句和主句是同一个主语,且从句主语后的谓语动词是系动...
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