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It is two weeks since I have seen him.( have seen-- saw)

来源：百度知道编辑：UC知道时间：2024/05/28 04:44:31

谁能够帮我讲出一个所以然？！
麻烦题目看清啊——就是把HAVE SEEN改成了SAW 这是为什么？什么理由？

since引导的状语从句必用一般过去时态。例如，Two years has been since I came to Shanghai.

因为有since所以用完成时态

这句话本身有问题吧，应该
——It has been 2 weeks since I saw him.

It is two to two The snowmen __last for about two or three weeks.A is going to B will ( )are Mary and Jane going next week? Hawaii 2( )is he staying ? For two weeks Two Weeks From Twenty翻译 if you have been reading the novel for two weeks,it's about time you___to the end of it 79.---It is weeks since my secretary__.---so it is .we'd better ask someone else to help you. I_violin lessons every two weeks,but i think i'll make it every week from next month It is reported that the two killers_____the prison last night It is a little after two o'clock. It has five letters. It has left if you take two letters away. What is it?