| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have a positive effect [prep] | 32 |
|
| 2 | have a positive effect on | 26 |
|
| 3 | have a positive effect on | 26 |
|
| 4 | have a positive effect [prep] | 10 |
|
| 5 | had a positive effect [prep] | 7 |
|
| 6 | had a positive effect [prep] | 5 |
|
