| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [not/n't] know | 23580 |
|
| 2 | [vb base] [not/n't] know | 17258 |
|
| 3 | have [not/n't] [verb] | 9861 |
|
| 4 | have [not/n't] know | 281 |
|
| 5 | have [adv] know | 149 |
|
