| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] at [art] level | 38 |
|
| 2 | be [verb] at [art] level | 37 |
|
| 3 | be [vb pp] at [art] level | 34 |
|
| 4 | be [verb] at the level | 22 |
|
| 5 | be [verb] at a level | 11 |
|
| 6 | be [verb] at every level | 5 |
|
