| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [art] [noun] [noun] | 20015 |
|
| 2 | [prep] [art] police [noun] | 1561 |
|
| 3 | at [art] [noun pl] [noun] | 561 |
|
| 4 | at [art] police [noun] | 149 |
|
| 5 | at [art] police [noun] | 149 |
|
