| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [vb pp] at a [adj] | 52 |
|
| 2 | are [vb pp] at a [adj] | 39 |
|
| 3 | are [vb pp] at a [adj -er] | 11 |
|
| 4 | are [vb pp] at a low | 6 |
|
| 5 | are [vb pp] at a high | 5 |
|
