| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [vb infin] been [det] [noun] | 41 |
|
| 2 | it [vb mod] have been [det] [noun] | 41 |
|
| 3 | it [vb mod] have been [det] [noun] | 39 |
|
| 4 | it [vb mod] [verb] been [det] [noun sg] | 34 |
|
| 5 | it must [verb] been [det] [noun] | 19 |
|
| 6 | it [vb mod] [verb] been some [noun] | 14 |
|
| 7 | it [vb mod] [verb] been that [noun] | 10 |
|
| 8 | it could [verb] been [det] [noun] | 7 |
|
| 9 | it might [verb] been [det] [noun] | 6 |
|
| 10 | it [vb mod] [verb] been [det] [noun pl] | 6 |
|
| 11 | it may [verb] been [det] [noun] | 5 |
|
| 12 | it [vb mod] [verb] been any [noun] | 5 |
|
