| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] a [adv] [adj] effect | 15 |
|
| 2 | have [verb] a [adv] [adj] effect | 15 |
|
| 3 | have [vb pp] a [adv] [adj] effect | 15 |
|
| 4 | have had a [adv] [adj] effect | 14 |
|
| 5 | have have a [adv] [adj] effect | 14 |
|
| 6 | has [verb] a [adv] [adj] effect | 5 |
|
