| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | contribution to [noun sg] [noun sg] | 80 |
|
| 2 | contributions to [noun sg] [noun sg] | 19 |
|
| 3 | contribution to world [noun sg] | 10 |
|
| 4 | contribution to [noun sg] theory | 8 |
|
| 5 | contribution to [noun sg] education | 6 |
|
| 6 | contribution to [noun sg] safety | 5 |
|
| 7 | contribution to road [noun sg] | 5 |
|
