- 过去进行时可以表示在过去某个时间点发生的事情,常用的时间状语有 at 2 o'clock yesterday, at that moment, at that time等。
What was she doing at nine o'clock yesterday?
I was doing my homework at seven o'clock the day before yesterday.
He said he was trying to draw a plane on the blackboard at that time.
There is no point in living if you can't feel alive.
活着没有生气,那活着也没有意义。