| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] have been [art] [adj] | 316 |
|
| 2 | [pron] may have been [art] [adj] | 70 |
|
| 3 | it may have be [art] [adj] | 28 |
|
| 4 | it may have [be] [art] [adj] | 28 |
|
| 5 | it may have been [art] [adj] | 28 |
|
| 6 | it may [verb] been [art] [adj] | 28 |
|
| 7 | it may have [been] [art] [adj] | 28 |
|
