| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has a [adj] role | 106 |
|
| 2 | have a [adj] role | 103 |
|
| 3 | have a [adj] role | 72 |
|
| 4 | have a key role | 40 |
|
| 5 | have a vital role | 40 |
|
| 6 | had a [adj] role | 36 |
|
| 7 | have a major role | 26 |
|
| 8 | have a crucial role | 18 |
|
| 9 | have a central role | 17 |
|
| 10 | having a [adj] role | 15 |
|
| 11 | to have a [adj] role | 14 |
|
| 12 | have a dual role | 13 |
|
| 13 | have a significant role | 12 |
|
| 14 | have a useful role | 10 |
|
| 15 | have a valuable role | 7 |
|
| 16 | have a new role | 7 |
|
| 17 | have a special role | 5 |
|
