一般过去时主要用于：


　　1 、表示过去某个时间发生的动作或情况（包括习惯性的动作或状态）


　　e.g. When did you read the novel?


　　She often came to help us in those days.


　　2 、谈到过去的情况时


　　e.g. I didn`t know you were so busy.


　　3 、谈到已死人的情况时


　　e.g. Lei Feng was a great communist fighter.


　　与这个时态连用的时间状语常有：


　　yesterday, last night, the other day, two months ago, in 1985, then, just now,


　　when, after, as soon as 引导的时间状语从句，表示主句动作开始的时间。