| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had little [noun] | 598 |
|
| 2 | [verb] little impact | 107 |
|
| 3 | have little impact | 72 |
|
| 4 | had [adj] impact | 41 |
|
| 5 | [vb past] little impact | 39 |
|
