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英语
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if your homework () finished,you can go out to play
finished 可是,为什么不能用has finished呢
下午就要用,没人就关了
人气:108 ℃ 时间:2019-08-20 21:33:40
解答
因为be+ done(过去分词,finished)是被动语态,
作业
是被完成,不能自己完成此.而且if引导的条件状语从句的从句部分(if后边的部分)用跟一般现在时,不能用完成时.
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