6.did you break - slipped - were crossing

7.were you doing - were driving - heard - drove

8.met - were going - was going - had - were waiting

9.were cycling - stepped - was going - managed - didn't hit

10.was flying - encoutered - dropped - was carrying

11.were working - discovered - contained - were filming - found

12.was making - started up - was speeding - saw - called

13.stopped - was speeding - were searching - found - was taking

14.were coming - saw - appeared - stopped - got - were watching - flied - disappeared

15.finally found - was already - were talking - were speaking - were conversing - were just sitting - chose - sat - was walking - stopped

6. did you break , slipped , were crossing

7. were you doing , were driving , heard . drove

8. met , were going , was going , had , were waiting

9. were cycling , stepped , was going , managed , didn't hit

10. was flying , encoutered , dropped , was carrying

11. were working , discovered , contained , were filming , found

12. was making , started up , was speeding , saw , called

13. stopped , was speeding , were searching , found , was taking

14. were coming , saw , appeared , stopped , got , were watching , flied , disappeared

15. finally found , was already , were talking , were speaking , were conversing , were just sitting - chose , sat , walked , stopped