| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] [adv] if [pron] | 463 |
|
| 2 | [verb] [pron] know [adv] [pron] | 426 |
|
| 3 | [verb] [pron] know if [pron] | 177 |
|
| 4 | [pron] know [adv] if [pron] | 22 |
|
| 5 | [verb] [pron] know [adv] if | 11 |
|
