| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a major contribution | 80 |
|
| 2 | make a major contribution | 66 |
|
| 3 | made a [adj] contribution | 66 |
|
| 4 | made a major [noun] | 33 |
|
| 5 | [vb pp] a major contribution | 16 |
|
| 6 | made [art] major contribution | 15 |
|
| 7 | made [art] major contribution | 15 |
|
| 8 | made a major contribution | 15 |
|
