| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what be [verb] [be] | 509 |
|
| 2 | what must be [verb] | 61 |
|
| 3 | what must [verb] [be] | 57 |
|
| 4 | must be [verb] [be] | 43 |
|
