| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] has a crucial role | 5 |
|
| 2 | [noun] has a crucial role | 5 |
|
| 3 | has played a crucial role | 6 |
|
| 4 | has play a crucial role | 6 |
|
| 5 | has [verb] a crucial role | 6 |
|
| 6 | has [vb pp] a crucial role | 6 |
|
