| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have [been] [verb] [art] [adj] | 84 |
|
| 2 | might [verb] [been] [verb] [art] [adj] | 7 |
|
| 3 | might have [be] [verb] [art] [adj] | 7 |
|
