| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] whether [verb] | 158 |
|
| 2 | [noun sg] [prep] whether [verb] | 137 |
|
| 3 | referendum [prep] [conj] [verb] | 6 |
|
| 4 | referendum [prep] whether [verb] | 6 |
|
| 5 | referendum [prep] [subord] [verb] | 6 |
|
| 6 | referendum [prep] whether [verb] | 6 |
|
