| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] per | 543 |
|
| 2 | [prep] a [adj] 50 | 23 |
|
| 3 | [prep] a 50 per | 23 |
|
| 4 | a [adj] 50 per | 10 |
|
| 5 | [prep] [adj] 50 per | 8 |
|
