| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adj] [noun sg] [prep] | 995 |
|
| 2 | may have been [adj] [prep] | 195 |
|
| 3 | may have [adj] [noun sg] [prep] | 104 |
|
| 4 | may have been [adj] [noun sg] | 44 |
|
| 5 | may have been [noun sg] [prep] | 20 |
|
