| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [vb infin] been [det] [noun] | 41 |
|
| 2 | [pron] may [vb infin] been [det] [noun] | 20 |
|
| 3 | it may [vb infin] been [adj] [noun] | 10 |
|
| 4 | it may [vb infin] be [det] [noun] | 6 |
|
| 5 | it may [vb infin] [be] [det] [noun] | 6 |
|
| 6 | it may [vb infin] [been] [det] [noun] | 5 |
|
| 7 | it may [verb] been [det] [noun] | 5 |
|
