| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] an [adj] role [prep] | 86 |
|
| 2 | [vb -s] an [adj] role in | 69 |
|
| 3 | [vb -s] an important role [prep] | 56 |
|
| 4 | plays an [adj] role [prep] | 53 |
|
| 5 | has an [adj] role [prep] | 18 |
|
| 6 | [vb -s] an active role [prep] | 7 |
|
| 7 | [vb -s] an essential role [prep] | 6 |
|
| 8 | [vb -s] an [adj] role for | 6 |
|
| 9 | takes an [adj] role [prep] | 5 |
|
