| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [art] [adj] | 1542 |
|
| 2 | may have [verb] [art] [adj] | 276 |
|
| 3 | may have been [art] [adj] | 172 |
|
| 4 | may have been [verb] [art] | 31 |
|
| 5 | may have been [verb] [adj] | 23 |
|
