| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [not/n't] [be] [vb pp] | 15687 |
|
| 2 | may [adv] [be] [vb pp] | 2454 |
|
| 3 | may [not/n't] [be] [verb] | 587 |
|
