| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might have [been] [adj] | 459 |
|
| 2 | [modal v] have [been] [det] | 361 |
|
| 3 | might have [be] [det] | 36 |
|
| 4 | might have [been] [det] | 35 |
|
| 5 | might [vb infin] [been] [det] | 35 |
|
| 6 | might [verb] [been] [det] | 35 |
|
