| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at an [adj] | 280 |
|
| 2 | [vb pp] at [adj] level | 140 |
|
| 3 | at an [adj] level | 132 |
|
| 4 | [vb pp] an [adj] level | 12 |
|
