| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [prep] [adj] [noun sg] | 767 |
|
| 2 | may have been [adj] [noun sg] | 44 |
|
| 3 | may have been [prep] [adj] | 33 |
|
| 4 | may have been [prep] [noun sg] | 24 |
|
| 5 | may have [prep] [adj] [noun sg] | 13 |
|
