| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] a [adj] role in | 234 |
|
| 2 | [vb -s] a [adj] role in | 231 |
|
| 3 | [verb] a central role in | 80 |
|
| 4 | [vb -s] a central [noun] in | 35 |
|
| 5 | [vb -s] a central role [prep] | 19 |
|
| 6 | [vb -s] a central role [prep] | 19 |
|
| 7 | [vb -s] [art] central role in | 17 |
|
| 8 | [vb -s] a central role in | 17 |
|
| 9 | [vb -s] a central role in | 17 |
|
