| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [vb pp] for a | 71 |
|
| 2 | been [vb pp] for a long | 29 |
|
| 3 | had [vb pp] for a long | 21 |
|
| 4 | had been [vb pp] a long | 8 |
|
