| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have a central role | 9 |
|
| 2 | [noun sg] have a central role | 5 |
|
| 3 | have [verb] a central role | 11 |
|
| 4 | have [vb pp] a central role | 11 |
|
| 5 | have play a central role | 8 |
|
| 6 | have played a central role | 8 |
|
| 7 | have a central role [prep] | 11 |
|
| 8 | have a central role in | 11 |
|
| 9 | have a central role in | 11 |
|
| 10 | have a central role [prep] | 11 |
|
