| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] know [adv] | 3841 |
|
| 2 | [pron] [adv] when | 488 |
|
| 3 | know [adv] when | 63 |
|
| 4 | [pron] know when | 13 |
|
