| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [Wh adv] [adv] it | 32 |
|
| 2 | know [Wh adv] [adv] it | 31 |
|
| 3 | know how [adv] it | 30 |
|
| 4 | know [Wh adv] long it | 20 |
|
| 5 | know [Wh adv] long it | 20 |
|
