| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] a [adj] impact | 102 |
|
| 2 | [vb pp] a [adj] impact | 94 |
|
| 3 | had a [adj] impact | 78 |
|
| 4 | made a [adj] impact | 24 |
|
| 5 | [vb pp] a major impact | 22 |
|
| 6 | [vb pp] a major impact | 22 |
|
| 7 | [vb pp] a significant impact | 14 |
|
| 8 | [vb pp] a significant impact | 14 |
|
| 9 | [vb pp] a great impact | 12 |
|
| 10 | [vb pp] a [adj -er] impact | 8 |
|
| 11 | [vb pp] a big impact | 7 |
|
| 12 | [vb pp] a greater impact | 7 |
|
| 13 | [vb pp] a big impact | 7 |
|
| 14 | [vb pp] a great impact | 5 |
|
| 15 | [vb pp] a considerable impact | 5 |
|
| 16 | [vb pp] a considerable impact | 5 |
|
