| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] to play a [adj] role | 22 |
|
| 2 | [vb pp] to play a [adj] role | 20 |
|
| 3 | [vb pp] to play a central role | 5 |
|
| 4 | [vb pp] to play a central role | 5 |
|
| 5 | [vb pp] to play a role [prep] | 7 |
|
| 6 | [vb pp] to play a role in | 7 |
|
| 7 | [vb pp] to play a role in | 7 |
|
| 8 | [vb pp] to play a role [prep] | 7 |
|
