| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to [be] central to | 13 |
|
| 2 | [vb pp] to [be] central to | 7 |
|
| 3 | to [be] central to [art] | 5 |
|
| 4 | to [be] central to the | 5 |
|
| 5 | to [be] central to [art] | 5 |
|
| 6 | to [be] central to the | 5 |
|
