| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [adv] [verb] it | 240 |
|
| 2 | know [Wh adv] [verb] it | 229 |
|
| 3 | know when [verb] [pron] | 21 |
|
| 4 | [verb] when [verb] it | 11 |
|
| 5 | know when [verb] it | 8 |
|
