| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] only have been [art] [noun] | 13 |
|
| 2 | [vb mod] only have been [art] [noun] | 13 |
|
| 3 | [vb mod] only have been the [noun] | 7 |
|
| 4 | [vb mod] only have been the [noun] | 7 |
|
| 5 | [vb mod] only have been a [noun] | 6 |
|
| 6 | [vb mod] only have been a [noun] | 5 |
|
