| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] [adv] a [noun] | 20 |
|
| 2 | at [adj] [adv] a [noun sg] | 18 |
|
| 3 | at [adj] [adv] a [noun] | 18 |
|
| 4 | at [num] [adv] a [noun] | 12 |
|
