| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] a significant impact [prep] | 11 |
|
| 2 | have [verb] a significant impact [prep] | 11 |
|
| 3 | have [verb] a significant impact [prep] | 11 |
|
| 4 | have [vb pp] a significant impact [prep] | 11 |
|
| 5 | have [verb] a significant impact on | 10 |
|
| 6 | have [verb] a significant impact on | 10 |
|
| 7 | have had a significant impact [prep] | 9 |
|
| 8 | have have a significant impact [prep] | 9 |
|
| 9 | has [verb] a significant impact [prep] | 6 |
|
