| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | play a central [noun sg] in [noun] | 12 |
|
| 2 | play a central role in [noun] | 7 |
|
| 3 | play a central [noun sg] in [noun sg] | 5 |
|
| 4 | play a central part in [noun] | 5 |
|
