| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't [adv] [verb] | 12178 |
|
| 2 | [adv] [adv] know | 2642 |
|
| 3 | [not/n't] [adv] know | 1604 |
|
| 4 | not [adv] know | 1603 |
|
| 5 | n't [adv] know | 1095 |
|
