| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adj] [prep] [noun] at | 16 |
|
| 2 | had been [adj] [prep] [noun] at | 8 |
|
| 3 | have been [adj] [prep] [noun sg] at | 8 |
|
| 4 | have been [adj] in [noun] at | 7 |
|
