| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [prep] a | 1700 |
|
| 2 | [Wh det] had been [verb] [prep] | 1405 |
|
| 3 | [Wh det] had [verb] [prep] a | 83 |
|
| 4 | [Wh det] had been [verb] a | 14 |
|
| 5 | [Wh det] had been [prep] a | 5 |
|
