| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have [vb pp] a | 259 |
|
| 2 | may have had a | 60 |
|
| 3 | may have made a | 18 |
|
| 4 | may have played a | 15 |
|
| 5 | may have seen a | 8 |
|
| 6 | may have found a | 6 |
|
