| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] the role of [adj] | 20 |
|
| 2 | [adv prt] the role of [adj] | 19 |
|
| 3 | [adv prt] the role of [adj] | 18 |
|
| 4 | on the role of [adj] | 14 |
|
