| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] [art] adverse effect | 8 |
|
| 2 | have [verb] [art] adverse effect | 8 |
|
| 3 | have [vb pp] [art] adverse effect | 8 |
|
| 4 | have [verb] a adverse effect | 7 |
|
| 5 | have [verb] an adverse effect | 7 |
|
| 6 | have had [art] adverse effect | 7 |
|
| 7 | have have [art] adverse effect | 7 |
|
