| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been a [adj] and | 20 |
|
| 2 | [modal v] have been a [adj] and | 16 |
|
| 3 | must have been a [adj] and | 7 |
|
| 4 | must have been a [adj] and | 7 |
|
| 5 | would have been a [adj] and | 7 |
|
| 6 | would have been a [adj] and | 7 |
|
