| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has played a [adj] role in | 40 |
|
| 2 | had played a [adj] role in | 29 |
|
| 3 | have played a major role in | 24 |
|
| 4 | have played a [adj] role in | 22 |
|
| 5 | have played a key role in | 20 |
|
| 6 | have played a significant role in | 11 |
|
| 7 | have played a leading role in | 10 |
|
| 8 | have played a crucial role in | 10 |
|
| 9 | have played a central role in | 8 |
|
| 10 | to have played a [adj] role in | 7 |
|
