| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] know [adv] [pron] | 457 |
|
| 2 | [verb] know [Wh adv] [pron] | 367 |
|
| 3 | [verb] [verb] why [pron] | 305 |
|
| 4 | [verb] know why [pron] | 102 |
|
