| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [vb pp] by those | 9 |
|
| 2 | has been [vb pp] by those | 9 |
|
| 3 | have been [vb pp] by those | 5 |
|
| 4 | have been [vb pp] by those | 5 |
|
