970 examples of may be adj in sentences

1. may be sure
629
2. may be able
477
3. may be well
324
4. may be more
259
5. may be necessary
251
6. may be true
194
7. may be doubted
136
8. may be worth
127
9. may be useful
127
10. may be right
124
11. may be proper
108
12. may be better
100
13. may be due
93
14. may be prepared
87
15. may be wrong
77
16. may be mistaken
70
17. may be good
69
18. may be varied
62
19. may be possible
59
20. may be sown
59
21. may be certain
54
22. may be best
54
23. may be less
53
24. may be interesting
52
25. may be much
48
970 examples of  may be adj  in sentences