| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been available | 26 |
|
| 2 | [vb mod] have been available | 26 |
|
| 3 | [modal v] have been available | 25 |
|
| 4 | would have been available | 14 |
|
| 5 | would have been available | 14 |
|
