| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [num] per | 213 |
|
| 2 | in [art] [adj] [num] per | 28 |
|
| 3 | in a [adj] [num] [unc] | 8 |
|
| 4 | in a [adj] [adj] per | 6 |
|
