| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have a direct impact | 16 |
|
| 2 | [verb] a direct impact | 16 |
|
| 3 | a direct impact [prep] | 16 |
|
| 4 | a direct impact [prep] | 16 |
|
| 5 | a direct impact on | 14 |
|
| 6 | a direct impact on | 14 |
|
