| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what [modal v] [be] | 491 |
|
| 2 | what [modal v] to [be] | 186 |
|
| 3 | [verb] [modal v] to [be] | 30 |
|
| 4 | [verb] what [modal v] to | 25 |
|
