Помогите пожалуйста сделать 10 задание!

1. didn't have 2. was walking 3. was crossing 4. saw 5.  was running 6.  sat down 7. opened 8.  was reading 9. heard 10. was waving 11.  was calling (called) 12. jumped 13. were watching 14. were clapping 15 were cheering