| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [conj] [pers pn] might have been | 7 |
|
| 2 | [vb pp] [conj] [pers pn] might have be | 7 |
|
| 3 | [vb pp] [conj] it might have be | 5 |
|
