| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] a [adj] role | 141 |
|
| 2 | [verb] played a [adj] role | 122 |
|
| 3 | has [vb pp] a [adj] role | 52 |
|
| 4 | [vb -s] [vb pp] a [adj] role | 52 |
|
| 5 | [vb past] [vb pp] a [adj] role | 39 |
|
| 6 | had [vb pp] a [adj] role | 38 |
|
| 7 | [vb base] [vb pp] a [adj] role | 34 |
|
| 8 | have [vb pp] a [adj] role | 33 |
|
| 9 | [verb] [vb pp] a major role | 26 |
|
| 10 | [verb] [vb pp] a key role | 23 |
|
| 11 | [verb] [vb pp] a leading role | 19 |
|
| 12 | [verb] [vb pp] a significant role | 12 |
|
| 13 | [verb] [vb pp] a crucial role | 11 |
|
| 14 | [verb] [vb pp] a central role | 11 |
|
| 15 | [to-vb] [vb pp] a [adj] role | 7 |
|
| 16 | to have [vb pp] a [adj] role | 7 |
|
| 17 | [vb infin] [vb pp] a [adj] role | 5 |
|
| 18 | have [vb pp] a [adj] role | 5 |
|
