| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] at [noun] | 5635 |
|
| 2 | be [vb pp] a [noun] | 4249 |
|
| 3 | be [vb pp] at a | 1601 |
|
| 4 | [vb pp] at a [noun] | 1445 |
|
| 5 | be at a [noun] | 627 |
|
