| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [been] the only | 22 |
|
| 2 | [vb mod] have been the only | 22 |
|
| 3 | would have [been] the only | 7 |
|
| 4 | may have [been] the only | 5 |
|
