| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a [adj] impact [prep] | 484 |
|
| 2 | had a [adj] impact [prep] | 79 |
|
| 3 | had [verb] a [adj] [prep] | 22 |
|
| 4 | had [verb] a [adj] impact | 12 |
|
