| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might [adv] have been [verb] [prep] | 72 |
|
| 2 | [modal v] [adv] have been [verb] for | 58 |
|
| 3 | might [adv] [verb] been [verb] for | 12 |
|
| 4 | might [adv] have be [verb] for | 12 |
|
| 5 | might [adv] have [be] [verb] for | 12 |
|
| 6 | might [adv] have [been] [verb] for | 12 |
|
