| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | play a [adj] role in | 795 |
|
| 2 | [vb past] a [adj] role in | 225 |
|
| 3 | [vb past] play a [adj] role | 48 |
|
| 4 | [vb past] play a role in | 6 |
|
