| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have had a [adj] impact on | 12 |
|
| 2 | have have a [adj] impact on | 12 |
|
| 3 | have have a [adj] impact on | 12 |
|
| 4 | have have a [adj] impact on | 12 |
|
