| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [prep] [noun sg] at | 45 |
|
| 2 | have been [vb pp] by [noun] at | 38 |
|
| 3 | has been [vb pp] [prep] [noun] at | 37 |
|
| 4 | have been [vb pp] [prep] [noun pl] at | 33 |
|
| 5 | had been [vb pp] [prep] [noun] at | 31 |
|
| 6 | have been [vb pp] [prep] [noun] at | 21 |
|
| 7 | have been [vb pp] [prep] [noun prp] at | 17 |
|
| 8 | have been [vb pp] for [noun] at | 17 |
|
| 9 | have been [vb pp] in [noun] at | 13 |
|
| 10 | have been [vb pp] to [noun] at | 11 |
|
| 11 | have been [vb pp] [prep] [n mass] at | 7 |
|
| 12 | have been [vb pp] [prep] staff at | 6 |
|
| 13 | have been [vb pp] [prep] staff at | 6 |
|
| 14 | have been [vb pp] on [noun] at | 6 |
|
| 15 | have been [vb pp] into [noun] at | 6 |
|
| 16 | to have been [vb pp] [prep] [noun] at | 6 |
|
| 17 | have been made [prep] [noun] at | 5 |
|
