| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been [art] good | 34 |
|
| 2 | [vb mod] have been a good | 33 |
|
| 3 | would have been [art] good | 18 |
|
| 4 | must have been [art] good | 7 |
|
| 5 | might have been [art] good | 5 |
|
