| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] have been [noun prp] | 85 |
|
| 2 | it [vb mod] have been [noun prp] | 85 |
|
| 3 | it may have been [noun] | 20 |
|
| 4 | [pers pn] may have been [noun prp] | 10 |
|
| 5 | [pron] may have been [noun prp] | 10 |
|
| 6 | it may [verb] been [noun prp] | 9 |
|
| 7 | it may have be [noun prp] | 9 |
|
| 8 | it may have [been] [noun prp] | 9 |
|
| 9 | it may have been [noun prp] | 9 |
|
| 10 | it may have [be] [noun prp] | 9 |
|
| 11 | it may have been [noun prp] | 9 |
|
