| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] at a [det] | 8 |
|
| 2 | [be] [vb pp] at a [det] | 8 |
|
| 3 | [vb pp] at [adv] a [det] | 7 |
|
| 4 | [vb pp] at [adv] a [det] | 7 |
|
| 5 | [vb pp] at a [noun] [det] | 5 |
|
