| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [be] [verb] up [prep] the | 14 |
|
| 2 | must be [verb] up [prep] the | 14 |
|
| 3 | must [be] [vb pp] up [prep] the | 13 |
|
| 4 | must [be] [verb] up to the | 5 |
|
