| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [prep] whether it | 72 |
|
| 2 | [prep] whether it [verb] | 62 |
|
| 3 | [subord] [prep] whether [verb] | 47 |
|
| 4 | [subord] [prep] it [verb] | 16 |
|
