| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [prep] [art] [adj] | 355 |
|
| 2 | at [prep] [art] [adj] | 355 |
|
| 3 | [prep] [prep] an [adj] | 126 |
|
| 4 | at [prep] a [adj] | 55 |
|
