| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [conj] [pron] [verb] [verb] [coord] | 25 |
|
| 2 | [verb] whether [pron] [verb] [verb] [coord] | 24 |
|
| 3 | know whether [pron] [verb] [verb] [conj] | 11 |
|
