| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] may have been [noun] | 11 |
|
| 2 | this [vb mod] have been [noun] | 9 |
|
| 3 | this [modal v] have been [noun] | 9 |
|
| 4 | this may have be [noun] | 5 |
|
| 5 | this may have been [noun] | 5 |
|
| 6 | this may [verb] been [noun] | 5 |
|
| 7 | this may have [been] [noun] | 5 |
|
| 8 | this may have [be] [noun] | 5 |
|
