| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have been [vb pp] from the | 31 |
|
| 2 | which had been [verb] from the | 17 |
|
| 3 | which have been [verb] from the | 7 |
|
| 4 | which has been [verb] from the | 7 |
|
