| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] nothing to | 400 |
|
| 2 | contribute [pron] to | 46 |
|
| 3 | contribute [indef pn] to | 45 |
|
| 4 | contribute nothing [prep] | 26 |
|
| 5 | contribute nothing [prep] | 26 |
|
| 6 | contribute nothing to | 22 |
|
| 7 | contribute nothing to | 22 |
|
