| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to have [vb pp] [art] [adj] effect | 19 |
|
| 2 | to have [verb] [art] [adj] effect | 19 |
|
| 3 | to have have [art] [adj] effect | 18 |
|
| 4 | to have had [art] [adj] effect | 18 |
|
| 5 | to have [verb] a [adj] effect | 14 |
|
| 6 | to have [verb] a [adj] effect | 14 |
|
