| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] have a significant impact on | 9 |
|
| 2 | [verb] have a significant impact on | 9 |
|
| 3 | [verb] had a significant impact on | 8 |
|
| 4 | have have a significant impact on | 8 |
|
