| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] have a [adj] impact on | 60 |
|
| 2 | have have a [adj] impact on | 48 |
|
| 3 | had have a [adj] [noun] on | 22 |
|
| 4 | had [verb] a [adj] impact on | 10 |
|
| 5 | [vb past] have a [adj] impact on | 8 |
|
| 6 | had have a [adj] impact [prep] | 6 |
|
| 7 | had have a [adj] impact on | 6 |
|
| 8 | had have [art] [adj] impact on | 6 |
|
| 9 | had have [art] [adj] impact on | 6 |
|
