6

1 happened

2 was walking

3 slipped

4 broke

5 was

6 didn't have

7 was lying

8 saw

9 was taking

10 phoned

11 came

12 took

13 found

7

1 was blowing

2 was falling

3 stayed

4 were sitting

5 came

6 were having

7 went

8 began

9 was trying

10 fell

11 was trying

12 tripped

13 found

14 lit