| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [prep] a [noun sg] [prep] | 4101 |
|
| 2 | [adj] role [prep] [noun sg] [prep] | 154 |
|
| 3 | role [prep] a [noun sg] [prep] | 87 |
|
| 4 | [adj] role [prep] a [noun sg] | 80 |
|
