| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [prep] [be] | 5048 |
|
| 2 | what [modal v] [be] | 2567 |
|
| 3 | what [modal v] [prep] | 218 |
|
| 4 | what [prep] [be] | 16 |
|
