| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [adv] [pron] | 6212 |
|
| 2 | know [Wh adv] [pron] | 4919 |
|
| 3 | [verb] why [pron] | 3540 |
|
| 4 | know why [pron] | 948 |
|
