改错句:It is two weeks since I have seen him要说出具体原因,确切点
问题描述：
改错句:It is two weeks since I have seen him
要说出具体原因,确切点
答
since i saw him.since后面跟的应该是一个时刻。
答
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
答
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!
答
it has been two weeks since I have seen him.
since要用完成时