1. can.
2. could.
3. could.
4. can, may.
5. might.
6. may (can).
7. can.
8. can.
9. may.
10. can.
11. may.
12. could.
13. may.
14. can (could).
15. may.
16. could.
17. can.
18. can.
1. can.
2. could.
3. could.
4. can, may.
5. might.
6. may (can).
7. can.
8. can.
9. may.
10. can.
11. may.
12. could.
13. may.
14. can (could).
15. may.
16. could.
17. can.
18. can.