| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [adv] [verb] be [det] | 6 |
|
| 2 | must [adv] [verb] be [det] [noun] | 6 |
|
| 3 | must [adv] [verb] be [det] [noun sg] | 5 |
|
