| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at what [vb mod] | 46 |
|
| 2 | at what might | 11 |
|
| 3 | at what can | 8 |
|
| 4 | at what could | 6 |
|
| 5 | at what would | 6 |
|
