| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] level | 804 |
|
| 2 | [vb past] at a [adj] | 309 |
|
| 3 | [vb past] a [adj] level | 49 |
|
| 4 | [vb past] at [adj] level | 14 |
|
