| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] a [adj] role in | 134 |
|
| 2 | play a [adj] role [prep] | 107 |
|
| 3 | have a [adj] role [prep] | 36 |
|
| 4 | [vb infin] a major role [prep] | 26 |
|
| 5 | [vb infin] a key role [prep] | 23 |
|
| 6 | [vb infin] a vital role [prep] | 18 |
|
| 7 | [vb infin] a central role [prep] | 12 |
|
| 8 | [vb infin] a significant role [prep] | 11 |
|
| 9 | [vb infin] a [adj] role for | 7 |
|
| 10 | [vb infin] a leading role [prep] | 5 |
|
| 11 | [vb infin] a full role [prep] | 5 |
|
| 12 | [vb infin] a [adj] role as | 5 |
|
| 13 | [vb infin] a new role [prep] | 5 |
|
