| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] know if [pron] [verb] | 241 |
|
| 2 | [pers pn] know [pron] [verb] it | 195 |
|
| 3 | [pers pn] if [pron] [verb] it | 59 |
|
| 4 | know if [pron] [verb] it | 37 |
|
