| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a substantial contribution to the | 12 |
|
| 2 | [verb] a substantial contribution to [art] | 12 |
|
| 3 | [verb] a substantial contribution to [art] | 12 |
|
| 4 | [verb] a substantial contribution to the | 12 |
|
