| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must [adv] [be] | 933 |
|
| 2 | question [vb mod] [adv] [be] | 65 |
|
| 3 | question [modal v] [adv] [be] | 65 |
|
| 4 | question must [adv] [be] | 12 |
|
| 5 | question must [adv] [be] | 12 |
|
