1. saw/ was waiting

2. has been

3. has taught/ graduated

4. doesn't watch

5. met

6. speak

7. have never seen

8. Have you been here/ spent

9. left/ haven't seen

10. hasn't had

11. had/ was repairing

12. will be

13. were having

14. has lived

15. am working

16. is giving

17. rained

18. was doing

19. was watching

20. worked

21. find

22. doesn't hurry

23. had

24. burning

25. don't learn

`text{1. saw - was waiting}`

`text{2. has been}`

`text{3. has taught - graduated}`

`text{4. doesn't watch}`

`text{5. met}`

`text{6. speak}`

`text{7. have never seen}`

`text{8. Have you been here - spent}`

`text{9. left - haven't seen}`

`text{10. hasn't had}`

`text{11. had - was repairing}`

`text{12. will be}`

`text{13. were having}`

`text{14. has lived}`

`text{15. am working}`

`text{16. is giving}`

`text{17. rained}`

`text{18. was doing}`

`text{19. was watching}`

`text{20. worked}`

`text{21. find}`

`text{22. doesn't hurry}`

`text{23. had}`

`text{24. burning}`

`text{25. don't learn}`