| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [verb] a [adj] role in | 45 |
|
| 2 | has [vb pp] a [adj] role in | 45 |
|
| 3 | has played a [adj] role in | 40 |
|
| 4 | has play a [adj] role in | 40 |
|
| 5 | has [verb] a leading role in | 9 |
|
| 6 | has [verb] a major role in | 9 |
|
| 7 | has [verb] a significant role in | 9 |
|
| 8 | has [verb] a crucial role in | 5 |
|
| 9 | has [verb] a key role in | 5 |
|
