| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not [be] [verb] [to-vb] | 1340 |
|
| 2 | [vb mod] not [be] [verb] [to-vb] | 1340 |
|
| 3 | may [adv] [be] [verb] [to-vb] | 200 |
|
| 4 | may not [be] [verb] [verb] | 31 |
|
| 5 | may not [be] [verb] [to-vb] | 25 |
|
