| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] to whether [verb] [art] | 13 |
|
| 2 | as [prep] whether [verb] [art] | 13 |
|
| 3 | [subord] [prep] whether [to-vb] [art] | 12 |
|
| 4 | [subord] [prep] whether [verb] the | 9 |
|
