| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] per [unc] | 503 |
|
| 2 | [prep] [art] few per [unc] | 5 |
|
| 3 | [prep] a few [unc] [unc] | 5 |
|
| 4 | [prep] [art] few per [unc] | 5 |
|
| 5 | [prep] a few per [unc] | 5 |
|
| 6 | [prep] a [det] per [unc] | 5 |
|
| 7 | [prep] a few per [unc] | 5 |
|
