Answers:
1. Can’t be
2. Can’t have won
3. Must have been
4. Must be
5. Couldn’t have been
6. May have been
7. Ought to have left
8. Can’t be
9. Could turn out
10. Must have left
11. Should have won
12. Should be
I’m gonna take a guess learning disability
Adjective ? Since it’s describing a noun!
I’m pretty sure it’s c I may be wrong tho