1 was destroyed
2. have not seen
3. had just left, got
4. am having
5. was having
6. is lying
7. was discovered
8. will be used
9. has been built
10. is being laid
11. was founded
12. are you doing
13. was stolen
14. have been used
15. are being built
16. are the letter delivered
17. was stung
18. is knocking
19. was buried
20. swept
21. will be widened
22. had been cleaned
23. is
24. has been closed
25. is going to be opened
26. was invited
27. are grown
28. was being made
29. are being read
30. was sleeping, went
31. has been showed
32. has already begun
33. is opened
34. will read, have
36. was kept
37. have been used
38. does not do