| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know whether [pron] [vb mod] [verb] | 94 |
|
| 2 | [verb] whether it [vb mod] [verb] | 82 |
|
| 3 | know [conj] it [vb mod] [verb] | 26 |
|
| 4 | know [subord] it [vb mod] [verb] | 21 |
|
| 5 | [vb infin] whether it [vb mod] [verb] | 15 |
|
| 6 | know whether it [vb mod] [verb] | 11 |
|
| 7 | know whether it [modal v] [verb] | 7 |
|
| 8 | know whether it [vb mod] [verb] | 7 |
|
