| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [conj] must [be] | 426 |
|
| 2 | question [conj] [modal v] [be] | 31 |
|
| 3 | question [conj] [vb mod] [be] | 31 |
|
| 4 | question [conj] must [be] | 9 |
|
