| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] role to play [prep] the [noun] | 32 |
|
| 2 | [adj] role [to-vb] in the [noun] | 32 |
|
| 3 | [adj] role [to-vb] [prep] the [noun sg] | 28 |
|
| 4 | important role [to-vb] [prep] the [noun] | 9 |
|
| 5 | crucial role [to-vb] [prep] the [noun] | 6 |
|
