| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have have a [adj] impact on | 45 |
|
| 2 | have have a [adj] impact on | 45 |
|
| 3 | have had a [adj] impact on | 45 |
|
| 4 | has have a [adj] impact on | 22 |
|
| 5 | have have a [adj] impact on | 12 |
|
| 6 | have have a major impact on | 9 |
|
| 7 | have have a significant impact on | 8 |
|
| 8 | had have a [adj] impact on | 5 |
|
