| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adj] [prep] [adj] | 1503 |
|
| 2 | may have been [adj] [prep] | 195 |
|
| 3 | may have been [prep] [adj] | 33 |
|
| 4 | may have been [adj] [adj] | 20 |
|
| 5 | may have [adj] [prep] [adj] | 5 |
|
