| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't [adv] know | 1066 |
|
| 2 | n't know [det] | 697 |
|
| 3 | n't [adv] [det] | 372 |
|
| 4 | [adv] know [det] | 87 |
|
