| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] n't [adv] know | 1037 |
|
| 2 | [noun prp] [verb] n't [adv] | 287 |
|
| 3 | [noun prp] [verb] n't know | 274 |
|
| 4 | [noun prp] [verb] [adv] know | 66 |
|
