| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has had [art] major impact | 9 |
|
| 2 | has have [art] major impact | 9 |
|
| 3 | has [verb] a major impact | 9 |
|
| 4 | has [vb pp] [art] major impact | 9 |
|
| 5 | has [verb] [art] major impact | 9 |
|
