| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] an [adj] [noun] [unc] | 290 |
|
| 2 | [prep] an [adj] [noun] [no cls] | 54 |
|
| 3 | [prep] [art] [adj] [noun] per | 23 |
|
| 4 | [prep] [art] [adj] [noun] per | 23 |
|
| 5 | [prep] a [adj] [noun] per | 14 |
|
| 6 | [prep] an [adj] [noun] per | 7 |
|
