10. went

11. was

12. bought

13. had

14. lived

15. had

16. returned

17. was

18. spent

10. was writing

11. were you doing

12. was making

13. was raining

14. were working

15. was moving

16. was looking

17. were repairing

18. were you doing

1. has been

2. have known

3. has it stoped

4. hasn`t studied

5. has phoned

6. have you seen

7. haven`t smoked

8. has never driven

9. have never gone