| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] [noun pl] [noun sg] | 33 |
|
| 2 | at a [adj] [noun pl] [noun sg] | 32 |
|
| 3 | at a [adj] police [noun sg] | 9 |
|
| 4 | at a [adj] awards [noun sg] | 6 |
|
