| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] at a number | 8 |
|
| 2 | been [vb pp] at a cost | 7 |
|
| 3 | been [vb pp] at a meeting | 6 |
|
| 4 | been [vb pp] at a time | 5 |
|
