摘要: 误 I havent see you during the summer holidays. 正 I havent seen you since the beginning of the summer holidays. (析) during表示在某一段时间之内.所以一般不与完成时搭配.如:I visited a lot of museums during the holiday. 而for表示一段时间.可以用于完成时.如:I havent see you for a long time. 而through 用来表示时间时则为"整整.全部的时间".如:It rained through the night.而since则是表达主句动作的起始时间.一般要与完成时连用.

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