| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which had been [adv] [vb pp] | 126 |
|
| 2 | which had been [vb pp] for | 76 |
|
| 3 | had been [adv] [vb pp] for | 59 |
|
| 4 | which had [adv] [vb pp] for | 7 |
|
| 5 | which had been [adv] for | 5 |
|
