| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [Wh adv] [pron] | 1684 |
|
| 2 | know [Wh adv] [pron] [vb mod] | 559 |
|
| 3 | [not/n't] know [pron] [vb mod] | 179 |
|
| 4 | [not/n't] [Wh adv] [pron] [vb mod] | 24 |
|
