I had just finished my homework when the phone rang.
She arrived at 10 pm. She had been told to come.
My mother told me she had already come.
I heard that she had just won the contest.
I didn't know why he had done it.
By 2008, we had completed the book.
By the time she came here, she had been a pop star.
By the end of 2009, they had disappeared.
2.过去完成时用于when/as soon as/ the moment/immediately从句中时，强调从句的动作结束后，主句的动作才开始
When they had sung the song, they left the stage.
When he had seen the movie, he left.
As soon as she had closed the door, we turned on the radio.
The moment my father had left, the house we watched TV.
It had already stopped snowing when I woke up.
After she closed the door, she left her house.
As soon as I received the email, I sent it to you.
She didn't leave until her son arrived.
I had hoped you would understand me, but you didn't.
The test had been expected to start at 10 am.
You had been supposed to show up.
I had worked.
You had worked.
He had worked.
She had worked.
It had worked.
We had worked.
They had worked.
I had not worked. / I hadn't worked.
You had not worked. / You hadn't worked.
He had not worked. /He hadn't worked.
She had not worked. /She hadn't worked.
It had not worked. / It hadn't worked.
We had not worked. /We hadn't worked.
They had not worked. / They hadn't worked.
Had I worked?
Had you worked?
Had he worked?
Had she worked?
Had it worked?
Had we worked?
Had they worked?