| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] how [verb] | 3582 |
|
| 2 | know [adv] [verb] | 2476 |
|
| 3 | know [Wh adv] [verb] | 2235 |
|
| 4 | know how [verb] | 1688 |
|
