| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] | 178478 |
|
| 2 | not [to-vb] | 13870 |
|
| 3 | not know | 4612 |
|
| 4 | [adv] to know | 448 |
|
| 5 | [not/n't] to know | 151 |
|
| 6 | not to know | 151 |
|
