| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] have been [art] [adj] | 273 |
|
| 2 | may have been [art] [adj] | 172 |
|
| 3 | [noun pl] may have been [adj] | 79 |
|
| 4 | [noun pl] may have [art] [adj] | 78 |
|
| 5 | [noun pl] may have been [art] | 24 |
|
