| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might have been [adv] [conj] | 8 |
|
| 2 | might have be [adv] [conj] | 8 |
|
| 3 | might have [been] [adv] [conj] | 8 |
|
| 4 | might have [be] [adv] [subord] | 6 |
|
