| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have [vb pp] [vb infin] | 11 |
|
| 2 | may [verb] [vb pp] [vb infin] | 11 |
|
| 3 | may [vb infin] [vb pp] [vb infin] | 11 |
|
| 4 | may have [vb pp] [vb infin] | 11 |
|
| 5 | may [verb] helped [vb infin] | 10 |
|
