| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might have be [vb pp] [prep] be | 8 |
|
| 2 | might have be [verb] [prep] be | 8 |
|
| 3 | might have be [verb] to be | 8 |
|
| 4 | might have been [verb] [prep] be | 8 |
|
