| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have [adv] been | 130 |
|
| 2 | might have [adv] been | 10 |
|
| 3 | might [verb] [adv] been | 10 |
|
| 4 | might [vb infin] [adv] been | 10 |
|
| 5 | might have [adv] been | 10 |
|
| 6 | might have [adv] [be] | 10 |
|
| 7 | might have [adv] be | 10 |
|
| 8 | might have [adv] [been] | 10 |
|
