| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] played a vital [noun] in | 8 |
|
| 2 | [verb] played a vital [noun] [prep] | 8 |
|
| 3 | [verb] played a vital [noun] [prep] | 8 |
|
| 4 | [verb] played a vital [noun] in | 8 |
|
