| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] at [art] | 720 |
|
| 2 | to have been [vb pp] at | 60 |
|
| 3 | to have been [vb pp] [art] | 41 |
|
| 4 | to have [vb pp] at [art] | 36 |
|
| 5 | to have been at [art] | 11 |
|
