Read these sentences and choose the correct variant.

1.
Samantha hadn’t had time to explain her side of the story
Samantha hadn’t have time to explain her side of the story

2.
We had written a letter by the time they came in
We has written a letter by the time they came in

3.
By the time he phoned her, she had find someone new
By the time he phoned her, she had found someone new