| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [art] [noun] | 130883 |
|
| 2 | at [art] [noun] | 130883 |
|
| 3 | [prep] an [noun] | 60397 |
|
| 4 | [prep] an [noun] | 60396 |
|
| 5 | at a [noun] | 16739 |
|
| 6 | at an [noun] | 1398 |
|
