| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't know [det] | 713 |
|
| 2 | [vb -s] n't know | 601 |
|
| 3 | [vb -s] n't [det] | 141 |
|
| 4 | [vb -s] know [det] | 30 |
|
