| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has have a [adj] effect | 64 |
|
| 2 | has had a [adj] effect | 63 |
|
| 3 | has have a [adj] effect | 56 |
|
| 4 | has have a profound effect | 14 |
|
| 5 | has have an [adj] effect | 8 |
|
