| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb base] n't know | 14279 |
|
| 2 | [vb base] n't know [prep] | 463 |
|
| 3 | [pron] [vb base] know [prep] | 299 |
|
| 4 | [pron] [vb base] n't [prep] | 91 |
|
