| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had been [vb pp] | 1541 |
|
| 2 | had been [vb pp] for | 1015 |
|
| 3 | it had [vb pp] for | 62 |
|
| 4 | it had been for | 40 |
|
