| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not know if [pron] [verb] | 313 |
|
| 2 | not know [conj] i [verb] | 166 |
|
| 3 | not [verb] if i [verb] | 148 |
|
| 4 | [adv] know if i [verb] | 69 |
|
