| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] to a | 133 |
|
| 2 | [vb -s] been reduced to a | 11 |
|
| 3 | [vb -s] been subjected to a | 9 |
|
| 4 | [vb -s] been likened to a | 7 |
|
| 5 | [vb -s] been sent to a | 7 |
|
| 6 | [vb -s] been brought to a | 5 |
|
