| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a major contribution to the | 29 |
|
| 2 | [verb] a major contribution to the | 29 |
|
| 3 | make a major contribution to the | 26 |
|
| 4 | [vb pp] a major contribution to the | 7 |
|
| 5 | [vb past] a major contribution to the | 7 |
|
| 6 | made a major contribution to the | 6 |
|
| 7 | made a major contribution to the | 6 |
|
| 8 | to make a major contribution to the | 5 |
|
| 9 | [to-vb] a major contribution to the | 5 |
|
