| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a [adj] role | 1772 |
|
| 2 | [verb] a [adj] role | 1688 |
|
| 3 | [verb] a vital [noun] | 375 |
|
| 4 | [verb] a vital [noun sg] | 373 |
|
| 5 | [verb] [art] vital role | 158 |
|
| 6 | [verb] [art] vital role | 158 |
|
| 7 | [verb] a vital role | 147 |
|
| 8 | [verb] a vital role | 147 |
|
| 9 | [verb] a vital role | 147 |
|
