| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] on | 46 |
|
| 2 | [modal v] [adv] impact | 13 |
|
| 3 | [adv] impact on | 13 |
|
| 4 | [modal v] impact on | 7 |
|
