初中英语语法 since和for的区别

Question

如题所述

Answer 1

since和for的区别:

since的用法
(1) since +过去一个时间点　(如具体的年、月、日期、钟点、1980,last month,half past six).
I have been here since 1989.
（2）since +一段时间+ ago
I have been here since five months ago.
(3) since +从句　
Great changes have taken place since you left.
Considerable time has elapsed since we have been here.
(4)It is +一段时间+ since从句
It is two years since I became a postgraduate student.

for的用法：
for+一段时间
I have lived here for three years.

Answer 2

两者的主要区别可以从意思和用法两个方面来看。