| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might have [verb] [verb] a | 9 |
|
| 2 | might have [verb] [verb] a | 9 |
|
| 3 | might have [vb pp] [verb] a | 8 |
|
| 4 | might have [verb] [to-vb] a | 5 |
|
