| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] [noun] | 9825 |
|
| 2 | a [adj] [adv] [noun] | 450 |
|
| 3 | at [adj] [adv] [noun] | 89 |
|
| 4 | at a [adj] [adv] | 26 |
|
| 5 | at a [adv] [noun] | 16 |
|
