| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which had be [verb] to [noun pl] | 6 |
|
| 2 | [Wh det] had been [verb] to [noun pl] | 6 |
|
| 3 | [Wh det] had be [vb pp] to [noun pl] | 6 |
|
