| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it may [vb infin] [be] [verb] | 70 |
|
| 2 | may [vb infin] [be] [verb] to | 60 |
|
| 3 | it may [be] [verb] to | 42 |
|
| 4 | it may [vb infin] [verb] to | 16 |
|
