| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have [verb] | 4884 |
|
| 2 | may have [vb pp] | 4126 |
|
| 3 | [modal v] have seen | 702 |
|
| 4 | [vb mod] have seen | 702 |
|
| 5 | may have see | 116 |
|
| 6 | may [verb] seen | 114 |
|
| 7 | may [vb infin] seen | 114 |
|
| 8 | may have seen | 114 |
|
| 9 | may have seen | 114 |
|
