| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have a major effect | 7 |
|
| 2 | [modal v] have a major effect | 7 |
|
| 3 | have a major effect [prep] | 8 |
|
| 4 | have a major effect [prep] | 8 |
|
| 5 | have a major effect on | 6 |
|
| 6 | have a major effect on | 6 |
|
