| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a major contribution to our | 5 |
|
| 2 | [verb] a major contribution to [pron] | 5 |
|
| 3 | [verb] a major contribution to [pron] | 5 |
|
| 4 | [verb] a major contribution to [pos pn] | 5 |
|
| 5 | [verb] a major contribution to our | 5 |
|
