| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] [adj] [noun] | 363 |
|
| 2 | a [adj] [adj] [noun] [unc] | 151 |
|
| 3 | at a [adj] [noun] [unc] | 46 |
|
| 4 | at [adj] [adj] [noun] [unc] | 6 |
|
