| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] only [be] [vb pp] | 2490 |
|
| 2 | [vb mod] only [be] [vb pp] | 2490 |
|
| 3 | may [adv] [be] [vb pp] | 2454 |
|
| 4 | may only [be] [verb] | 127 |
|
| 5 | may only [be] [vb pp] | 125 |
|
