for和since有什么区别吗?（可以举例子吗?）
问题描述：
for和since有什么区别吗?（可以举例子吗?）
请赐教.
答
since+时间点,如l have studied English since 2004
而for+时间段,如l have studied English for a year.
since后面还可以加宾语从句,从句一般要用过去时
如l have studied English since l went to England.