| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't [adv] [verb] | 12294 |
|
| 2 | n't [adv] [vb pp] | 1604 |
|
| 3 | n't [adv] know | 1095 |
|
| 4 | [adv] [adv] known | 993 |
|
| 5 | not [adv] known | 244 |
|
| 6 | [not/n't] [adv] known | 244 |
|
