一般過去時
1．概念：過去某個時間里發(fā)生的動作或狀態(tài)；過去習(xí)慣性、經(jīng)常性的動作、行為。
2．時間狀語：ago，yesterday，the day before yesterday，last week，last(year，night，month…just now，at the age of 5，one day，long long ago，once upon a time，etc.
3．基本結(jié)構(gòu)：be動詞；行為動詞的過去式
4．否定形式：was/were+not;在行為動詞前加didn't，同時還原行為動詞。
5．一般疑問句：was或were放于句首；用助動詞do的過去式did 提問，同時還原行為動詞。
6．例句：She often came to help us in those days.
I didn't know you were so busy.
7．用法
(1)一般過去時表示過去的動作或狀態(tài)
[1]一般過去時通常與表示過去的時間狀語連用。
與一般過去時連用的時間狀語有：yesterday，last night(week，year，month，Sunday)，then，at that time，at that moment，just now，a few days(weeks，months，years) ago等。例句：
Lucy turned off all the lights before she went out.
出門前露茜關(guān)了所有的燈。