| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [vb pp] at some [noun] | 6 |
|
| 2 | had been [vb pp] at some [noun sg] | 6 |
|
| 3 | had been [vb pp] at some time | 5 |
|
| 4 | had been [vb pp] at some time | 5 |
|
