| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to what [modal v] to [be] | 10 |
|
| 2 | to what [modal v] to be | 10 |
|
| 3 | to what [modal v] to be | 10 |
|
| 4 | to what [vb mod] to [be] | 10 |
|
| 5 | to what used to [be] | 7 |
|
| 6 | to what used to [be] | 7 |
|
