| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] might have [verb] a | 15 |
|
| 2 | [Wh det] might have [vb pp] a | 15 |
|
| 3 | which might have [verb] a | 10 |
|
| 4 | what might have [verb] a | 5 |
|
