| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] contribution to [noun sg] [prep] | 19 |
|
| 2 | [adj] contribution to [noun sg] in | 8 |
|
| 3 | significant contribution to [noun sg] [prep] | 6 |
|
| 4 | significant contribution to [noun sg] [prep] | 6 |
|
