| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] at a | 1866 |
|
| 2 | be [vb pp] at [noun pl] | 388 |
|
| 3 | [vb pp] at a [noun pl] | 40 |
|
| 4 | be [vb pp] a [noun pl] | 18 |
|
| 5 | be at a [noun pl] | 8 |
|
