| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must [adv] be | 933 |
|
| 2 | [det] must [adv] be | 61 |
|
| 3 | [noun] [det] must be | 24 |
|
| 4 | [noun] [det] must [adv] | 5 |
|
