一般过去式
表示过去未指明具体时间、特定时间或过去习惯的行为行动。
1.He worked in that bank for years.
2.When did you meet him?I met him yesterday.
3.He always carried an umbrella.
构成形式：To do /To be
肯定：I studied English./I was here.
否定：I did not study English./I was not here.
疑问：Did you study English?/Was I here?
规则动词的过去形式
-ed/e+ed/y-ied/双写+ed
work-worked/live-lived/study-studied/plan-planned
名词从句
主语从句：that/what/who/when/where
1.When he will come back is still a question.
2.It is still a question when he will come back.
