| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] a major [noun] | 29 |
|
| 2 | could [verb] a major [noun sg] | 29 |
|
| 3 | could play a major [noun] | 6 |
|
| 4 | could [verb] a major role | 6 |
|
| 5 | could have a major [noun] | 6 |
|
| 6 | could play a major [noun] | 6 |
|
| 7 | could have a major [noun] | 6 |
|
| 8 | could [verb] a major role | 6 |
|
