| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] [noun] | 6367 |
|
| 2 | a [adj] [noun] [unc] | 3070 |
|
| 3 | at a [noun] [unc] | 292 |
|
| 4 | at [adj] [noun] [unc] | 133 |
|
| 5 | at a [adj] [unc] | 15 |
|
