1. were having, came
2. was walking, passed
3. listened
4. entered, was writting
5. were getting, began
6. was having
7. came, was doing
8. were doing
9. was ridding
10. was sleepping, went
11. was walking, passed
12. were discussed, rushed
13. was copping, hung
14. celedrated, was ringing
15. was examining, did not find