| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] might have be [verb] a | 7 |
|
| 2 | [pers pn] might have been [verb] a | 7 |
|
| 3 | [pers pn] might have be [verb] a | 6 |
|
| 4 | [pers pn] might have be [v-ing] a | 5 |
|
