| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [vb pp] by some | 17 |
|
| 2 | [pers pn] has been [vb pp] by some | 16 |
|
| 3 | [pers pn] had been [vb pp] by some | 5 |
|
| 4 | [pers pn] have been argued by some | 5 |
|
