| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might [adv] have | 1610 |
|
| 2 | [not/n't] [adv] have | 1358 |
|
| 3 | might [not/n't] have | 456 |
|
| 4 | might [not/n't] [adv] | 184 |
|
