| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | concern have been [verb] over [art] | 9 |
|
| 2 | concern have been [verb] over the | 9 |
|
| 3 | concern have been [verb] over [art] | 9 |
|
| 4 | concern have been [verb] over the | 9 |
|
