9. Peter (admit)________________ he (break)________________ my favorite vase the day before.
10. What ________________ (you / do) before you (come)________________ there?
11. Yesterday I (feel)________________ nervous as I (not prepare)________________ my presentation carefully.
12. ________________ (Peter / come) to see you after he (finish)________________ his work?
13. Mary (prepare)________________ the meal before she (invite)________________ her new neighbor to have lunch with her.
14. Before I (buy)________________ a car, I (travel)________________ by bus for nearly 5 years.
15. As soon as Jane (see)________________ Jim, she (storm)________________ out of the room.