| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have [vb pp] a | 2745 |
|
| 2 | might have [vb pp] [art] | 629 |
|
| 3 | might have [verb] a | 356 |
|
| 4 | might [verb] [vb pp] a | 329 |
|
| 5 | might [vb infin] [vb pp] a | 329 |
|
| 6 | might have [vb pp] a | 328 |
|
