1. 与ago连用的时间状语如：a moment ago, two minutes ago, six months ago, one week ago… 等

We were primary students 5 years ago.五年前我们是小学生。

2. 与last 连用的时间状语last week, last year, last month, last day…

He suddenly fell ill last night.他昨晚突然病倒了。

3. 与 yesterday 连用的时间状语yesterday morning, yesterday morning …

We weren't late yesterday. 我们昨天没迟到.

※the day before yesterday 昨天

4. 与 one 连用的时间状语one morning 某个早上， one evening 某个夜晚

5. 与that连用的时间状语that day, that morning, that year…

6. 其他时间状语just now 刚刚 in the old days 在过去

in 1980 at that time在那时