| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [not/n't] know | 17258 |
|
| 2 | [not/n't] know [adj] | 923 |
|
| 3 | [vb base] [not/n't] [adj] | 547 |
|
| 4 | [vb base] know [adj] | 248 |
|
