一般过去时表示过去的动作或状态,这种动作或状态可能是一次性的,也可能是经常性的.
一般过去时的用法
1）在确定的过去时间里所发生的动作或存在的状态.
时间状语有：yesterday,last week,an hour ago,the other day,in 1982等.
Where did you go just now?
2）表示在过去一段时间内,经常性或习惯性的动作.
When I was a child,I often played football in the street.
Whenever the Browns went during their visit,they were given a warm welcome.
3）句型：
It is time for sb.to do sth "到……时间了" "该……了"
It is time sb.did sth."时间已迟了" "早该……了"
It is time for you to go to bed.你该睡觉了.
It is time you went to bed. 你早该睡觉了.
过去式是一种很麻烦的时态（我是那么认为的）,你可以去背一下,还有过去分词什么的