| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might have [vb pp] a | 289 |
|
| 2 | might have [vb pp] a | 285 |
|
| 3 | might have had a | 60 |
|
| 4 | might have made a | 28 |
|
| 5 | might have got a | 12 |
|
| 6 | might have become a | 10 |
|
| 7 | might have done a | 5 |
|
| 8 | might have produced a | 5 |
|
| 9 | might have seemed a | 5 |
|
