| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been [prep] some [noun] | 11 |
|
| 2 | [vb mod] have been [prep] some [noun sg] | 8 |
|
| 3 | must have been [prep] some [noun] | 6 |
|
| 4 | [vb mod] have been in some [noun] | 5 |
|
| 5 | [vb mod] have been in some [noun] | 5 |
|
