| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which had been [verb] | 2021 |
|
| 2 | [indef pn] had been [verb] | 247 |
|
| 3 | [indef pn] which had [verb] | 26 |
|
| 4 | [indef pn] which had been | 25 |
|
