| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] have been [art] [adj] | 200 |
|
| 2 | may have been [art] [adj] | 172 |
|
| 3 | [det] may have been [art] | 58 |
|
| 4 | [det] may have been [adj] | 38 |
|
| 5 | [det] may have [art] [adj] | 16 |
|
