| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pers pn] know [Wh adv] [pron] | 50 |
|
| 2 | [pron] if [pers pn] know [pron] | 33 |
|
| 3 | [pron] [pers pn] know [Wh adv] [pron] | 20 |
|
| 4 | [pron] if [pers pn] know [Wh adv] | 17 |
|
