| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] at [art] [noun sg] in | 23 |
|
| 2 | be [vb pp] at [art] [noun] in | 23 |
|
| 3 | be [verb] at the [noun] in | 13 |
|
| 4 | be [verb] at a [noun] in | 13 |
|
