| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [verb] a [adj] effect | 66 |
|
| 2 | has [vb pp] a [adj] effect | 65 |
|
| 3 | has have a [adj] effect | 64 |
|
| 4 | has had a [adj] effect | 63 |
|
| 5 | has [verb] a [adj] effect | 57 |
|
| 6 | has [verb] a profound effect | 14 |
|
| 7 | has [verb] an [adj] effect | 9 |
|
