| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] know how it | 137 |
|
| 2 | [pers pn] know how use | 20 |
|
| 3 | know how use it | 18 |
|
| 4 | [pers pn] how use it | 5 |
|
