| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [adv] [verb] to be [adj] | 9 |
|
| 2 | may [adv] [vb infin] [prep] be [adj] | 9 |
|
| 3 | may [adv] prove [prep] be [adj] | 6 |
|
| 4 | may [adv] prove [prep] be [adj] | 6 |
|
