1. She (not watch) __________ TV for a long time before he (interrupt) __________ her.

2. Jack (not prepare) ___________ his project before the boss (arrive) ___________ .

3. Where (they live) __________ for a week before they (find) ___________ a flat?

4. (she, run) __________ for a long time before she (faint) _________ ?

5. Why (you, be) __________ so nervous when we met? (you have) _________ a quarrel?

6. My friends (not talk) __________ by the time they (go) __________to a club.

7. My sister (not hear) __________ form Jack for a long time before so she (not recognise) ___________ him.

8. They (build) __________ the house by the time their daughter (return) ___________.

9. How long (you learn) __________ Spanish before you (visit) _________ Spain?

10. Tom (wait) ___________ for 45 minutes when his girlfriend (turn) ____________ up.

11. (you think) _________ about going to Hawaii before Tom (show) __________ you the photos from there?

12.  What (you, do) __________ ? Why were you so dirty when I (see) ___________ you?

13. (he drive) _________ for many hours when that accident (happen) ___________?

14.  I (finish) _________ learning so I could get some rest.

15. She (be) __________ scared because she (already see) ____________ the terrible accident.