Раскрыть скобки!!ПОМОГИТЕ ПОЖАЛУЙСТА!!!

1) She (to write) an exercise when the teacher (to come) uo to her
2) Yesterday while I (to walk) my dog (tomelt) my friends
3) Where you (to buy) the book?
4) what she ( to watch ) on TV when you (to hone) her
5) Ann (to drink) 3 cups of coffee yesterday
6) Phil (to finish) his homework at 7'o clock
7) When you last (to visit) you granny
8) she (to play) in the park the whole evening yesterday