| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] might have been [verb] a | 8 |
|
| 2 | [pers pn] might have been [verb] a | 7 |
|
| 3 | [pron] might have been [verb] a | 7 |
|
| 4 | [pron] might have been [v-ing] a | 6 |
|
