| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] have been [prep] [adj] | 103 |
|
| 2 | [noun pl] may have been [adj] | 79 |
|
| 3 | may have been [prep] [adj] | 33 |
|
| 4 | [noun pl] may have been [prep] | 21 |
|
| 5 | [noun pl] may have [prep] [adj] | 8 |
|
