| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] [det] [noun] | 176 |
|
| 2 | has been [vb pp] at [noun] | 139 |
|
| 3 | been [vb pp] at [det] [noun] | 95 |
|
| 4 | has been [vb pp] at [det] | 35 |
|
| 5 | has [vb pp] at [det] [noun] | 10 |
|
