| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [art] [noun] [conj] | 7724 |
|
| 2 | at [art] [noun sg] [conj] | 6576 |
|
| 3 | [prep] [art] level [conj] | 100 |
|
| 4 | at [art] level [conj] | 33 |
|
