| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | whom have been [prep] | 11 |
|
| 2 | whom [verb] been [prep] | 11 |
|
| 3 | whom had been [prep] | 8 |
|
| 4 | whom [vb past] been [prep] | 8 |
|
