UC知道改错句:It is two weeks since I have seen him
来源：百度知道 编辑：UC知道 时间：2024/06/22 15:42:50
要说出具体原因，确切点
since 引导状语从句，后必用一般过去时。正确的句子是：It is two weeks since I saw him.你一定要记住呀！
since i saw him.since后面跟的应该是一个时刻。
it has been two weeks since I have seen him.
since要用完成时
It has been two weeks since I saw him～
根据句意since后面用一般过去时，前面用现在完成时好一些
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