| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] a [adj] per | 19 |
|
| 2 | [prep] only [art] [adj] per | 8 |
|
| 3 | [prep] only a [adj] per | 8 |
|
| 4 | [prep] only a [adj] [unc] | 8 |
|
| 5 | [prep] only [art] [adj] per | 8 |
|
