| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] also have been [verb] to | 6 |
|
| 2 | [vb mod] also have been [verb] to | 6 |
|
| 3 | may also have been [verb] to | 5 |
|
| 4 | may also have been [verb] to | 5 |
|
