现在完成时中,能不能与for或since连用

2025-05-15 10:34:39
推荐回答(1个)
回答(1):

现在完成时中可以用for, since,而且很常用:

  1. I have studied English since 3 years ago. I have studied English for 3 years.


2. for, since可以与延续性动词连用:

I have kept the book for 4 days.

I have kept the book since 4 days ago.

3. 延续性动词能再现在完成时用,就比如

I have kept the book since 4 days ago.