| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have [verb] a part | 8 |
|
| 2 | may have [verb] a part | 8 |
|
| 3 | may have play a part | 8 |
|
| 4 | may have played a part | 7 |
|
| 5 | may have [vb pp] a part | 7 |
|
