| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [adj] per | 81 |
|
| 2 | [prep] a 50 per | 23 |
|
| 3 | for [art] 50 per | 9 |
|
| 4 | for a 50 [no cls] | 7 |
|
| 5 | for a 50 per | 7 |
|
| 6 | for a 50 [unc] | 7 |
|
