| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [noun] [unc] | 1291 |
|
| 2 | at [art] [adj] [noun] [unc] | 317 |
|
| 3 | at [art] [adj] [noun] [unc] | 317 |
|
| 4 | at a [adj] [noun] [unc] | 55 |
|
| 5 | at a [adj] [noun] [unc] | 50 |
|
