| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | something which has [adv] been | 7 |
|
| 2 | something which has [adv] been | 5 |
|
| 3 | something which has been [verb] | 11 |
|
| 4 | something which has been [vb pp] | 10 |
|
