> 英语 >
1.Until yesterday his family (had not heard)from him for six months.2.He (did not )go to bed until his mother came back.请问为什么都是until,第一句要做成过去完成,第二句是一般过去啊?求详解…急!
但not go to bed 不也是持续性动作么
人气:361 ℃ 时间:2020-06-12 09:56:12
解答
1、时间状语for six months为一段时间,和完成时连用.
2、go to bed是短暂动作,与一般过去时连用比较合理.
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