Jack would have jumped had he had control of his body.

Jack jumped out of bed and ran to the window.

Now I have no idea that Jack has jumped into the river.

Jack wondered - on the wheel jumped as though she were.

Jack jumped after me; we must both have been in the air at the same time.

Jack jumped a little, and Wendy looked at him curiously.

Jack jumped in and Warren took off with a screech.

Jack jumped in and pulled the door closed behind him.

When the door burst open an hour later Jack jumped.

Jack, I jumped at a conclusion and lost my temper.