| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know i [vb mod] | 785 |
|
| 2 | [not/n't] know i | 357 |
|
| 3 | [not/n't] i [vb mod] | 149 |
|
| 4 | [not/n't] know [vb mod] | 16 |
|
