| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [art] level | 904 |
|
| 2 | at [art] level | 904 |
|
| 3 | at the level | 611 |
|
| 4 | at the level | 611 |
|
| 5 | at a level | 177 |
|
| 6 | at a level | 177 |
|
| 7 | at every level | 115 |
|
| 8 | at every level | 115 |
|
