| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have been [prep] [adj] | 33 |
|
| 2 | may have been [prep] [adj] | 16 |
|
| 3 | may have been [prep] [det] | 13 |
|
| 4 | may have been in [adj] | 11 |
|
| 5 | may have been of [adj] | 7 |
|
| 6 | may have been [prep] this | 5 |
|
| 7 | may have been [prep] this | 5 |
|
