| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] [noun sg] | 7396 |
|
| 2 | at [adj] [art] [noun sg] | 758 |
|
| 3 | a [adj] [art] [noun sg] | 227 |
|
| 4 | at a [adj] [art] | 9 |
|
