| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] know how | 2020 |
|
| 2 | know how [to-vb] | 1674 |
|
| 3 | [pron] how [to-vb] | 660 |
|
| 4 | [pron] know [to-vb] | 123 |
|
