| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [verb] at [art] high level | 8 |
|
| 2 | and [verb] at [art] high level | 8 |
|
| 3 | and [verb] at a high level | 5 |
|
| 4 | and [verb] at a high level | 5 |
|
