| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] could have been [adj] | 95 |
|
| 2 | [noun] [vb mod] have been [det] | 51 |
|
| 3 | [noun] [modal v] have been [det] | 51 |
|
| 4 | [noun] could [verb] been [det] | 5 |
|
| 5 | [noun] could have [be] [det] | 5 |
|
| 6 | [noun] could have been [det] | 5 |
|
| 7 | [noun] could have be [det] | 5 |
|
| 8 | [noun] could have [been] [det] | 5 |
|
