| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have been [adj] | 548 |
|
| 2 | [modal v] have been some | 103 |
|
| 3 | may have been [det] | 49 |
|
| 4 | may have [been] some | 18 |
|
| 5 | may [vb infin] been some | 18 |
|
| 6 | may have be some | 18 |
|
| 7 | may have [be] some | 18 |
|
| 8 | may [verb] been some | 18 |
|
| 9 | may have been some | 18 |
|
| 10 | may have been some | 18 |
|
