| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has had a [adj] impact | 31 |
|
| 2 | has have a [adj] impact | 31 |
|
| 3 | has have a [adj] impact | 30 |
|
| 4 | has have a major impact | 9 |
|
| 5 | has have a major impact | 9 |
|
| 6 | has have a significant impact | 5 |
|
| 7 | has have a significant impact | 5 |
|
