Помогите с периодически задание решить пожалуйста)

1. was you doing, rang
2. was studying
3. was walking, met
4. did you see, wore
5. was you doing
6. rang, was cooking
7. was looking, saw
8. finished, paid, left
9. watched
10. felt, was reading
11. was dancing
12. was heating, began
13. was passing, met
14. was looking, was rainy
15. came in, looked, standed, turned, went