| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [verb] what [modal v] be | 15 |
|
| 2 | [vb past] [verb] what [vb mod] [be] | 15 |
|
| 3 | had [verb] what [modal v] [be] | 9 |
|
| 4 | [vb past] [verb] what could [be] | 8 |
|
| 5 | [vb past] [vb pp] what [modal v] [be] | 8 |
|
| 6 | [vb past] [verb] what could [be] | 8 |
|
| 7 | [vb past] [to-vb] what [modal v] [be] | 7 |
|
