| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has had [art] [adj] effect | 67 |
|
| 2 | has had a [adj] effect | 55 |
|
| 3 | has had [art] profound effect | 14 |
|
| 4 | has had an [adj] effect | 8 |
|
