| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [conj] [verb] | 785 |
|
| 2 | [prep] whether [verb] | 276 |
|
| 3 | [prep] whether [verb] | 276 |
|
| 4 | to [subord] [verb] | 88 |
|
| 5 | to whether [verb] | 47 |
|
| 6 | to whether [verb] | 47 |
|
