| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been a [noun] | 816 |
|
| 2 | [det] [vb mod] have been a | 120 |
|
| 3 | [det] have been a [noun] | 82 |
|
| 4 | [det] [vb mod] have been [noun] | 43 |
|
| 5 | [det] [vb mod] have a [noun] | 33 |
|
