| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] per | 543 |
|
| 2 | [prep] a 25 per | 19 |
|
| 3 | [prep] a [adj] 25 | 18 |
|
| 4 | a [adj] 25 per | 16 |
|
