| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] | 178478 |
|
| 2 | not know | 4612 |
|
| 3 | not [vb base] | 2185 |
|
| 4 | [adv] know | 2158 |
|
| 5 | not know | 56 |
|
| 6 | [not/n't] know | 56 |
|
