| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] [vb pp] a leading role | 12 |
|
| 2 | [noun prp] [verb] [vb pp] a leading role | 6 |
|
| 3 | [noun sg] [verb] [vb pp] a leading role | 6 |
|
| 4 | [verb] [vb pp] a leading role [prep] | 16 |
|
| 5 | [verb] [vb pp] a leading role in | 16 |
|
| 6 | [verb] [vb pp] a leading role in | 16 |
|
| 7 | [verb] [vb pp] a leading role [prep] | 16 |
|
