| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at a [noun] | 1608 |
|
| 2 | been [vb pp] a [noun] | 774 |
|
| 3 | been [vb pp] at [noun] | 524 |
|
| 4 | been [vb pp] at a | 147 |
|
| 5 | been at a [noun] | 33 |
|
