| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know if [pron] [verb] [pron] or | 5 |
|
| 2 | know if [pron] [verb] [pers pn] or | 5 |
|
| 3 | know if [pers pn] [verb] [pron] or | 5 |
|
