| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might not [verb] [adv] | 136 |
|
| 2 | might not [vb infin] [adv] | 134 |
|
| 3 | [modal v] not know [adv] | 67 |
|
| 4 | might [adv] know [adv] | 11 |
|
| 5 | might not know [adv] | 8 |
|
| 6 | might not know [adv] | 8 |
|
| 7 | might [not/n't] know [adv] | 8 |
|
