| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [vb pp] at [adj] time | 10 |
|
| 2 | had been [vb pp] at [det] time | 9 |
|
| 3 | had been [vb pp] at some time | 5 |
|
| 4 | had been [vb pp] at some time | 5 |
|
