| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have had a [adj] [noun] on | 224 |
|
| 2 | have [verb] a [adj] impact on | 71 |
|
| 3 | have [vb pp] a [adj] impact on | 71 |
|
| 4 | have had [art] [adj] impact on | 63 |
|
| 5 | have had a [adj] impact [prep] | 63 |
|
| 6 | have had a [adj] impact [prep] | 63 |
|
| 7 | [verb] had a [adj] impact on | 58 |
|
| 8 | have have a [adj] impact on | 58 |
|
| 9 | have had a [adj] impact on | 58 |
|
