| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [adv] [pron] | 6212 |
|
| 2 | know [Wh adv] [pron] | 4919 |
|
| 3 | [verb] when [pron] | 2043 |
|
| 4 | know when [pron] | 869 |
|
