| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] if i [verb] know | 9 |
|
| 2 | [adv] if i have know | 9 |
|
| 3 | [adv] if i [vb past] know | 9 |
|
| 4 | [adv] if i 'd know | 7 |
|
