| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] whether [verb] [prep] [art] | 16 |
|
| 2 | [prep] whether [verb] [prep] [art] | 16 |
|
| 3 | [prep] whether [to-vb] [prep] [art] | 16 |
|
| 4 | [prep] whether [verb] [prep] a | 8 |
|
| 5 | [prep] whether [verb] [prep] the | 7 |
|
| 6 | on whether [verb] [prep] [art] | 6 |
|
| 7 | on whether [verb] [prep] [art] | 6 |
|
| 8 | [prep] whether [verb] for [art] | 5 |
|
| 9 | [prep] whether [verb] for [art] | 5 |
|
