| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been [art] [adj] | 1641 |
|
| 2 | [noun] may have been [adj] | 245 |
|
| 3 | [noun] may have [art] [adj] | 220 |
|
| 4 | may have been [art] [adj] | 172 |
|
| 5 | [noun] may have been [art] | 137 |
|
