1、表示过去的动作或状态：常和过去时间状语连用。just now， last year， when I was 8years old等。

　　例：You've already missed too many classes this term .You _____ two classes just last week.

　　A. missed　　 B. would miss

　　C. had missed　　D. have missed

　　(答案：A.有具体的时间状语要用过去时。)(1995年59题)

　　2、used to do sth：过去常常做…

　　例：I used to take a walk in the morning.

　　我过去是在早晨散步。(意味着现在不在早晨散步了。)

　　3、it is high time(that)…句型中，谓语动词用过去时。

　　例：Don't you think it is time you _____ smoking?

　　A. give up　　 B. gave up

　　C. would give up　　D. should give up

　　(答案：B)(1999年31题)