| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [num] [adv] [prep] a [noun sg] | 16 |
|
| 2 | at [num] [adv] [prep] a [noun sg] | 16 |
|
| 3 | at [num] [adv] a [adj] [noun sg] | 7 |
|
| 4 | at [num] [adv] a [adj] [noun sg] | 6 |
|
