| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [vb pp] at | 549 |
|
| 2 | had been [vb pp] some | 30 |
|
| 3 | been [vb pp] at some | 24 |
|
| 4 | had [vb pp] at some | 6 |
|
