| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [vb pp] for a | 85 |
|
| 2 | which had been [vb pp] for | 76 |
|
| 3 | which had been [vb pp] a | 13 |
|
| 4 | which had [vb pp] for a | 7 |
|
