| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have [verb] [art] [noun] | 583 |
|
| 2 | may have [vb pp] [art] [noun] | 500 |
|
| 3 | [modal v] have seen [art] [noun] | 139 |
|
| 4 | may [verb] seen [art] [noun] | 34 |
|
| 5 | may have see [art] [noun] | 34 |
|
| 6 | may [vb infin] seen [art] [noun] | 34 |
|
| 7 | may have seen [art] [noun] | 34 |
|
