| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been [prep] it | 10 |
|
| 2 | [modal v] have been [prep] it | 10 |
|
| 3 | [modal v] have been [prep] it | 10 |
|
| 4 | would have been [prep] it | 5 |
|
