Eat
eaten
I lost the key that he (give) to me.
had given
The waiter served something that we (order, not).
hadn't ordered
(you, finish) your homework before you went to the cinema?
Had you finished
Catch
caught
She told me that she (see) a ghost.
had seen
He went to Alaska where he (be, not) before.
hadn't been
(why, they, clean) the bathroom before you bathed the dog?
Why had they cleaned
Begin
begun
I went downstairs because I (hear) a noise.
had heard
She put on the red dress, which she (wear, not) for ages.
hadn't worn
(he, have) breakfast before he came here?
Had he had
Understand
understood
When they came home, Sue (cook) dinner already
had cooked
He (play, not) tennis before that day.
hadn't played
(she, find) a place to stay when she went to Boston?
Had she found
Speak
spoken
We could not send you a postcard because we (forget) our address book.
had fogotten
His mother was angry because he (help, not) her with the shopping.
hadn't helped
(where, he, live) before he moved to Chicago?
Where had he lived