| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] play a central role in | 16 |
|
| 2 | [noun sg] [verb] a central role in | 10 |
|
| 3 | [noun] [vb -s] a central role in | 9 |
|
| 4 | [noun pl] [verb] a central role in | 9 |
|
| 5 | [noun] [vb base] a central role in | 6 |
|
| 6 | [noun] have a central role in | 6 |
|
| 7 | [noun prp] [verb] a central role in | 5 |
|
| 8 | [noun] played a central role in | 5 |
|
| 9 | [noun] plays a central role in | 5 |
|
| 10 | [noun] [vb past] a central role in | 5 |
|
