| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] n't know | 15905 |
|
| 2 | n't know [det] | 697 |
|
| 3 | [vb base] n't [det] | 267 |
|
| 4 | [vb base] know [det] | 38 |
|
