| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb -s] have a [adj] impact | 19 |
|
| 2 | [noun] has have a [adj] impact | 19 |
|
| 3 | [noun] [vb -s] had a [adj] impact | 19 |
|
| 4 | [noun sg] [vb -s] have a [adj] impact | 15 |
|
| 5 | [noun] [vb -s] have a major impact | 6 |
|
| 6 | [noun] [vb -s] have a major impact | 6 |
|
