| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] a significant [noun sg] on | 18 |
|
| 2 | have had a significant [noun] on | 15 |
|
| 3 | have [vb pp] a significant impact on | 10 |
|
| 4 | have [vb pp] a significant impact on | 10 |
|
| 5 | has [vb pp] a significant [noun] on | 6 |
|
| 6 | have [vb pp] a significant [noun] on | 6 |
|
| 7 | have [vb pp] a significant effect on | 5 |
|
| 8 | have [vb pp] a significant effect on | 5 |
|
