| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | contribution to [adj] [noun sg] | 209 |
|
| 2 | [unc] to [adj] [noun sg] | 91 |
|
| 3 | [unc] contribution to [adj] | 35 |
|
| 4 | [unc] contribution to [noun sg] | 22 |
|
