时间状语有：yesterday， last week， an hour ago， the other day， in 1982等。
Where did you go just now？
When I was a child， I often played football in the street.
Whenever the Browns went during their visit， they were given a warm welcome.
It is time for sb. to do sth
It is time sb. did sth.
It is time for you to go to bed.
It is time you went to bed.
would (had) rather sb. did sth.
I‘d rather you came tomorrow.
4) wish， wonder， think， hope 等用过去时，作试探性的询问、请求、建议等。
I thought you might have some.
Christine was an invalid all her life.
Christine has been an invalid all her life.
Mrs. Darby lived in Kentucky for seven years.
Mrs. Darby has lived in Kentucky for seven years.
1）动词want， hope， wonder， think， intend 等。
Did you want anything else？
I wondered if you could help me.
2）情态动词 could， would.
Could you lend me your bike？