| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] had been [verb] | 1830 |
|
| 2 | had been [verb] for | 1516 |
|
| 3 | [Wh pn] had [verb] for | 178 |
|
| 4 | [Wh pn] had been for | 5 |
|
