| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] may [verb] been seen | 6 |
|
| 2 | [noun sg] may [verb] been seen | 5 |
|
| 3 | may [verb] been seen [prep] | 6 |
|
| 4 | may [verb] been seen [prep] | 6 |
|
