答案:1.表示过去发生的动作或存在的状态。
与表示过去的时间状语连用。如yesterday, the day before yesterday等。eg 1.I went to the supermarket yesterday.2.与last+时间词连用,如lasr night, last year等。eg1. I bought an apple last night.3.与ago连用,时间+ ago如three years ago等。eg1.I went to SHanhaiguanthreeyearsago.4.Igraduated from university in 2008.扩展:过去时在英语中很常见的考点,考生需要熟知动词的过去式变化规则,这点很重要。语法填空里经常出现。