| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [pron] [vb past] it | 655 |
|
| 2 | know [Wh adv] [pron] [vb past] | 422 |
|
| 3 | know [pron] [vb past] it | 36 |
|
