| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] an [adj] role to play [prep] | 15 |
|
| 2 | [vb -s] an [adj] role [to-vb] [prep] | 15 |
|
| 3 | has an [adj] role [to-vb] [prep] | 15 |
|
| 4 | [vb -s] an [adj] role [to-vb] in | 14 |
|
| 5 | [vb -s] an important role [to-vb] [prep] | 12 |
|
