| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] [prep] [noun sg] | 496 |
|
| 2 | always [verb] [prep] [noun sg] | 484 |
|
| 3 | must always [verb] [prep] | 48 |
|
| 4 | must always [verb] [noun sg] | 12 |
|
