| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know if [pron] [vb past] [pers pn] [adv] | 6 |
|
| 2 | know if [pers pn] [vb past] [pers pn] [adv] | 6 |
|
| 3 | know if [pron] [vb past] [pers pn] [adv] | 5 |
|
