| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know how [adv] he | 20 |
|
| 2 | know [Wh adv] [adv] he | 20 |
|
| 3 | know [Wh adv] long he | 13 |
|
| 4 | know [Wh adv] long he | 13 |
|
