| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | controversy over whether [art] | 5 |
|
| 2 | controversy over [conj] [art] | 5 |
|
| 3 | controversy over [conj] [art] | 5 |
|
| 4 | controversy over [subord] [art] | 5 |
|
| 5 | controversy over whether [art] | 5 |
|
| 6 | controversy over [conj] the | 5 |
|
| 7 | controversy over [conj] the | 5 |
|
