| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] have been in a | 5 |
|
| 2 | it [modal v] have been in a | 5 |
|
| 3 | it have been [verb] in a | 29 |
|
| 4 | it have been [vb pp] in a | 26 |
|
| 5 | it have been in a [noun sg] | 6 |
|
| 6 | it have been in a [noun] | 6 |
|
