| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have [art] [adj] impact | 13 |
|
| 2 | may have a [adj] impact | 13 |
|
| 3 | may have [art] [adj] impact | 13 |
|
| 4 | may have a [adj] impact | 12 |
|
