| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] n't know [prep] | 601 |
|
| 2 | [pron] [verb] n't know this | 49 |
|
| 3 | [verb] n't know [prep] this | 24 |
|
| 4 | [pron] [verb] n't [prep] this | 6 |
|
