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? 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.
