| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [be] [verb] | 16298 |
|
| 2 | may [be] [vb pp] | 14926 |
|
| 3 | [modal v] [be] shown | 823 |
|
| 4 | [vb mod] [be] shown | 823 |
|
| 5 | may [be] show | 33 |
|
| 6 | may [be] shown | 28 |
|
| 7 | may [be] shown | 28 |
|
