.一般过去时（一）定义：一般过去时是表示过去经常或偶然发生的动作或存在的状态的时态（二）.标志词：ago, yesterday(moring/afternoon/evening), the day before yesterday, last week/year/night/month, in 1989, just now, at the age of 5, one day, long long ago （三）.基本结构：1be动词（was.were）；2行为动词的过去式过去进行时1.概念：表示过去某段时间或某一时刻正在发生或进行的行为或动作。 2.标志词：at seven yesterday, at this(that)time yestersday, just then, then,when,while引导的从句中的主句3.基本结构：was/were+doing When he came in, I was reading a newspaper. 一般过去时和过去进行时的比较1一般过去时和过去进行时虽然同是指过去发生的动作或
