| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [noun] | 673 |
|
| 2 | might have [be] [noun] | 101 |
|
| 3 | might have be [noun] | 101 |
|
| 4 | might have [been] [noun] | 101 |
|
| 5 | might [verb] been [noun] | 101 |
|
