| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] know [pron] [adv] [adv] [to-vb] | 8 |
|
| 2 | [not/n't] know [pron] [adv] [adv] [to-vb] | 5 |
|
| 3 | not know [pron] [adv] [adv] [to-vb] | 5 |
|
