| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [modal v] be [vb pp] [be] | 33 |
|
| 2 | [pron] must be [vb pp] [be] | 22 |
|
| 3 | what must be [verb] [be] | 7 |
|
| 4 | what must [be] [vb pp] [be] | 7 |
|
| 5 | what must be [vb pp] [be] | 7 |
|
| 6 | what must [be] [vb pp] [be] | 7 |
|
