| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] [adv] | 17586 |
|
| 2 | [adv] know [adv] | 5908 |
|
| 3 | [not/n't] know [adv] | 4655 |
|
| 4 | not know [adv] | 4652 |
|
