| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] by | 3934 |
|
| 2 | [det] had been [verb] | 451 |
|
| 3 | [det] had [verb] by | 10 |
|
| 4 | [det] been [verb] by | 7 |
|
