| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may well have been a [adj] | 5 |
|
| 2 | may well have be a [adj] | 5 |
|
| 3 | may well have [been] a [adj] | 5 |
|
| 4 | may well have [be] a [adj] | 5 |
|
