| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] a major role | 26 |
|
| 2 | [modal v] [vb infin] a major role | 26 |
|
| 3 | [modal v] play a major role | 23 |
|
| 4 | [modal v] play a major role | 23 |
|
| 5 | will [verb] a major role | 10 |
|
| 6 | will [verb] a major role | 10 |
|
| 7 | could [verb] a major role | 6 |
|
| 8 | could [verb] a major role | 6 |
|
