| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] made a [adj] contribution | 58 |
|
| 2 | [verb] made a major [noun] | 29 |
|
| 3 | [verb] [verb] a major contribution | 18 |
|
| 4 | [verb] make a major contribution | 16 |
|
| 5 | [verb] made [art] major contribution | 14 |
|
| 6 | [verb] made [art] major contribution | 14 |
|
| 7 | [verb] made a major contribution | 14 |
|
| 8 | [verb] [vb pp] a major contribution | 14 |
|
