| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might or might not [vb infin] [verb] | 12 |
|
| 2 | might or might [not/n't] [vb infin] [vb pp] | 8 |
|
| 3 | might or might [not/n't] have [verb] | 8 |
|
