(21)
1. Waited
2. Were waiting
3. Did you say
4. Was talking
5. Was saying
6. Saw
7. Was doing
8. Was seeing
9. Talked
10. Did she do
11. Had
12. Was having (22)
1. Saw, was waiting
2. Was getting, fell
3. Run, was lying
4. Was, was examining
5. Was leaving, sat
6. Was baking, went
7. Was looking, came
8. Had to, were waiting
9. Was, was giving (мне кажется тут ошибка и должно быть was having)
10. Was putting, rang
11. Went, were standing