| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [modal v] [be] | 913 |
|
| 2 | what [modal v] to [be] | 186 |
|
| 3 | [prep] what [modal v] to | 108 |
|
| 4 | [prep] [modal v] to [be] | 5 |
|
