Помогите пожалуйста СРОЧНООО правильно выполнить!!!!!!

Ответ:

1. was doing
2. were riding
3. was walking
4. was wearing
5. were studying
6. was correcting
7. were drinking
8. was cutting
9. was singing
10. was carrying
11. was driving
12. was painting
13. were shouting
14. were ordering
15. was playing
16. was talking
17. was ringing
18. was hiding
19. was having
20. were fishing