| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what [modal v] [be] [verb] | 334 |
|
| 2 | [vb past] what [modal v] [be] [verb] | 40 |
|
| 3 | [vb past] [verb] [modal v] [be] [verb] | 30 |
|
| 4 | [vb past] [verb] what [modal v] [verb] | 23 |
|
| 5 | [vb past] [verb] what [modal v] [be] | 15 |
|
