| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [verb] [art] significant role | 11 |
|
| 2 | has played [art] significant role | 11 |
|
| 3 | has [vb pp] [art] significant role | 11 |
|
| 4 | has play [art] significant role | 11 |
|
