| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | important contribution to [art] [adj] [noun sg] | 8 |
|
| 2 | important contribution to the [adj] [noun sg] | 8 |
|
| 3 | important contribution to the [adj] [noun sg] | 8 |
|
| 4 | important contribution to [art] [adj] [noun sg] | 8 |
|
