| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [vb pp] a profound effect | 14 |
|
| 2 | has [verb] a profound effect | 14 |
|
| 3 | has [verb] a profound effect | 14 |
|
| 4 | has had a profound effect | 14 |
|
| 5 | has have a profound effect | 14 |
|
