| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | play a [adj] role in | 795 |
|
| 2 | [noun] play a [adj] role | 328 |
|
| 3 | [noun] play a role in | 30 |
|
| 4 | [noun] a [adj] role in | 18 |
|
