| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not be | 25780 |
|
| 2 | [vb mod] not be | 25780 |
|
| 3 | may [adv] be | 8436 |
|
| 4 | may [not/n't] be | 2989 |
|
| 5 | may not be | 2988 |
|
| 6 | may not be | 2987 |
|
| 7 | may not [be] | 2987 |
|
