一般过去时标志词不少于5个

问题描述:

一般过去时标志词不少于5个

yesterday
the day before yesterday
last Sunday / Monday
last week
in 2008 / 1880
last night
three years ago
……

电风扇

yesterday,the day before yesterday,two days ago,last week/Monday,in 1990/1998/2000,just now,this morning...