| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [noun] for [noun] | 6 |
|
| 2 | [modal v] have be [noun] for [noun] | 6 |
|
| 3 | [modal v] have [been] [noun] for [noun] | 6 |
|
| 4 | [vb mod] have [be] [noun] for [noun] | 6 |
|
