| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh pn] had been | 86 |
|
| 2 | of [Wh pn] had be | 82 |
|
| 3 | [prep] whom had be | 68 |
|
| 4 | [prep] who had be | 17 |
|
