| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] at a [adv] | 93 |
|
| 2 | be [vb pp] at a lower | 25 |
|
| 3 | be at a [adv] lower | 7 |
|
| 4 | [vb pp] at a [adv] lower | 5 |
|
