| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [be] [verb] [prep] [noun sg] | 808 |
|
| 2 | always [be] [verb] [prep] [noun sg] | 89 |
|
| 3 | must always [be] [verb] [prep] | 46 |
|
| 4 | must always [verb] [prep] [noun sg] | 16 |
|
