| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [Wh adv] [pron] [verb] [pron] | 222 |
|
| 2 | [Wh adv] [pron] could [verb] [pron] | 165 |
|
| 3 | know [Wh adv] [pron] could [verb] | 22 |
|
| 4 | know [pron] could [verb] [pron] | 8 |
|
