He had done his homework by 3 0"clock.
I had never known her.
Had he written you a letter ?
She had eaten breakfast when I came in.
The play had already started by the time we arrived.
You had gone to the swimming pool by 5 0"clock.
She had left when I called.
We hadn't spoken by the evening.
A boy had fed his pet by 10 a.m.
Had you rung her up?