| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have had [art] significant impact | 7 |
|
| 2 | [noun] have have a significant impact | 7 |
|
| 3 | [noun] have have a significant impact | 7 |
|
| 4 | [noun] have have [art] significant impact | 7 |
|
