| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [vb pp] at a [noun sg] | 48 |
|
| 2 | are sold at a [noun sg] | 9 |
|
| 3 | are [vb pp] at an [noun sg] | 7 |
|
| 4 | are [vb pp] at a height | 6 |
|
| 5 | are [vb pp] at a rate | 6 |
|
| 6 | are [vb pp] at a discount | 5 |
|
