| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have have a major impact on | 9 |
|
| 2 | have have a major impact on | 9 |
|
| 3 | have had a major impact on | 9 |
|
| 4 | have have a major impact on | 9 |
|
| 5 | has have a major impact on | 6 |
|
