| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has made [art] [adj] contribution | 43 |
|
| 2 | has made [art] [adj] contribution | 41 |
|
| 3 | [verb] made [art] significant contribution | 16 |
|
| 4 | have made [art] significant contribution | 16 |
|
| 5 | has made [art] significant [noun] | 10 |
|
| 6 | has [vb pp] [art] significant contribution | 5 |
|
| 7 | has made [art] significant contribution | 5 |
|
| 8 | has make [art] significant contribution | 5 |
|
| 9 | [vb -s] made [art] significant contribution | 5 |
|
| 10 | has [verb] [art] significant contribution | 5 |
|
