| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] has play a crucial role | 5 |
|
| 2 | [noun] has [verb] a crucial role | 5 |
|
| 3 | [noun] has [vb pp] a crucial role | 5 |
|
| 4 | [noun] has played a crucial role | 5 |
|
