| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been a [noun] | 816 |
|
| 2 | [modal v] have been a [noun] | 816 |
|
| 3 | might have been [art] [noun] | 203 |
|
| 4 | might have been [art] [noun] | 203 |
|
| 5 | might have been a [noun] | 137 |
|
| 6 | might [verb] been a [noun] | 115 |
|
| 7 | might have [been] a [noun] | 115 |
|
| 8 | might have [be] a [noun] | 115 |
|
| 9 | might have been a [noun] | 115 |
|
| 10 | might have be a [noun] | 115 |
|
