| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] for | 1516 |
|
| 2 | had been [verb] a | 652 |
|
| 3 | been [verb] for a | 648 |
|
| 4 | had [verb] for a | 423 |
|
| 5 | had been for a | 21 |
|
