| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [art] [noun] | 130883 |
|
| 2 | at [art] [noun sg] | 112190 |
|
| 3 | [prep] [art] level | 2593 |
|
| 4 | at [art] level | 926 |
|
