| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on [art] [adj] per | 44 |
|
| 2 | on [art] [num] per | 41 |
|
| 3 | on a [adj] per | 25 |
|
| 4 | on the [adj] per | 14 |
|
| 5 | on an [adj] per | 5 |
|
