| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [Wh adv] [to-vb] | 2203 |
|
| 2 | [conj] [Wh adv] [to-vb] | 908 |
|
| 3 | [conj] know [Wh adv] | 155 |
|
| 4 | [conj] know [to-vb] | 6 |
|
