1. were having
2. started
3. did you do
4. put
5. went
6. did you arrive
7. was dancing
8. (was) eating
9. got
10. were Tom and Sue doing
11. were talking
12. were watching

Объяснение:

1)Were having

2)Started

3)Did you do

4)put

5)went

6)you arrived

7)was dancing

8)eating

9)got

10)were Tom and Sue doing

11)were talking

12)were watching