| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not [vb infin] [be] | 1626 |
|
| 2 | may [adv] [vb infin] [be] | 782 |
|
| 3 | may not [vb infin] [be] | 256 |
|
| 4 | may not [verb] [be] | 256 |
|
| 5 | may [not/n't] [vb infin] [be] | 256 |
|
