| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [not/n't] have | 10578 |
|
| 2 | might [adv] have | 1610 |
|
| 3 | might [not/n't] [verb] | 1291 |
|
| 4 | might [not/n't] [vb infin] | 1284 |
|
| 5 | might [not/n't] have | 457 |
|
