| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have a role in | 27 |
|
| 2 | has a role in | 18 |
|
| 3 | have a role in | 12 |
|
| 4 | had a role in | 7 |
|
| 5 | to have a role in | 5 |
|
