| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] may have been [art] [adj] | 33 |
|
| 2 | [num] [modal v] have been [art] [adj] | 10 |
|
| 3 | [num] may have [be] [art] [adj] | 5 |
|
| 4 | [num] may have been [art] [adj] | 5 |
|
| 5 | [num] may have be [art] [adj] | 5 |
|
| 6 | [num] may have [been] [art] [adj] | 5 |
|
| 7 | [num] may [verb] been [art] [adj] | 5 |
|
