| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might have [verb] | 4339 |
|
| 2 | [modal v] have have | 2584 |
|
| 3 | might [vb infin] have | 313 |
|
| 4 | might [verb] have | 313 |
|
| 5 | might have have | 262 |
|
