| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [verb] a beneficial effect on | 8 |
|
| 2 | [verb] [verb] a beneficial effect [prep] | 8 |
|
| 3 | [verb] [verb] a beneficial effect [prep] | 8 |
|
| 4 | [verb] [verb] a beneficial effect on | 8 |
|
