1. Tom didn't go out until he finished all his homework.

2. We can leave as soon as the taxi gets here.

3. Someone broke into his house while he was sleeping.

4. He will look for a job after he finds somewhere to live.

5. He was cleaning the house while his wife worked in the garden.

6. By the time Sarah left work it was too late to go to the play.

7. She made the sauce after she put the meat in the oven.

8. They left the building just as the bomb exploded.

9. By the time Sally gets here there will be no food left.

10. Don't do anything until you receive a copy of the contract.