didn't know,had't know和haven 't know用法有什么区别
人气:299 ℃ 时间:2019-12-09 01:25:53
解答
时态不同:
don't know:现在时,描述的现在的一种状态,在说的时候仍然不知道
hadn't known:过去完成时,在过去的某一点不知道但是之后知道了
haven't konwn:现在完成时,在说的之前并不知道,或许刚听到了什么内容就知道了
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