| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] contribution to | 537 |
|
| 2 | a [adj] contribution to | 422 |
|
| 3 | an [adj] contribution to | 115 |
|
| 4 | a significant contribution to | 88 |
|
| 5 | a major contribution to | 86 |
|
| 6 | a important contribution to | 62 |
|
| 7 | a positive contribution to | 26 |
|
| 8 | a valuable contribution to | 24 |
|
| 9 | a substantial contribution to | 21 |
|
| 10 | a useful contribution to | 14 |
|
| 11 | a vital contribution to | 10 |
|
| 12 | a outstanding contribution to | 8 |
|
| 13 | a worthwhile contribution to | 8 |
|
| 14 | a real contribution to | 7 |
|
| 15 | a great contribution to | 7 |
|
| 16 | a crucial contribution to | 5 |
|
| 17 | a original contribution to | 5 |
|
| 18 | a enormous contribution to | 5 |
|
