| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] at some [noun] | 20 |
|
| 2 | have been [vb pp] at some [noun sg] | 17 |
|
| 3 | has been [vb pp] at some [noun] | 10 |
|
| 4 | have been [vb pp] at some time | 10 |
|
| 5 | have been [vb pp] at some time | 9 |
|
| 6 | had been [vb pp] at some [noun] | 6 |
|
