| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a [adj] contribution to our | 18 |
|
| 2 | make a [adj] contribution to our | 16 |
|
| 3 | [verb] a [adj] contribution to our | 15 |
|
| 4 | [verb] a major contribution to our | 5 |
|
| 5 | made a [adj] contribution to our | 5 |
|
| 6 | [vb pp] a [adj] contribution to our | 5 |
|
