| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] has a [adj] role | 77 |
|
| 2 | [noun] has a [adj] role | 72 |
|
| 3 | [noun] [verb] a key role | 68 |
|
| 4 | [noun] [vb -s] a key role | 27 |
|
| 5 | [noun] have a key role | 20 |
|
| 6 | [noun] has a key [noun] | 15 |
|
| 7 | [noun] has [art] key role | 14 |
|
| 8 | [noun] has [art] key role | 14 |
|
| 9 | [noun] has a key role | 13 |
|
| 10 | [noun] has a key role | 13 |
|
