过去进行时态用英语怎么说

1.表示过去某一时间内（正在）进行的动作
如：I was doing my homework at 9 p.m. last Sunday.
2.表示一动作正在进行时,另一动作同时正在进行.
(1)用while连接
例:My mother was cooking while I was doing my homework.(可以持续动作时态一致)
(2）when表示（when可以接doing或did,when后动作时间长,用doing,时间短,用did）
例:I was doing my homework when my mother came in.(间接表达了具体时间)
3.重复的动作
When he worked here, John was always making mistakes.
4.表示过去将要发生的动作
She told us Mr.Lee was arriving here.