| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and play a [adj] role in | 29 |
|
| 2 | [coord] played a [adj] role in | 15 |
|
| 3 | [coord] play a major role in | 8 |
|
| 4 | [coord] play a key role in | 7 |
|
