| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] n't [verb] | 81689 |
|
| 2 | [verb] n't know | 20662 |
|
| 3 | [vb base] [adv] know | 17610 |
|
| 4 | [vb base] [not/n't] know | 17258 |
|
| 5 | [vb base] not know | 17239 |
|
