| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [be] [verb] [prep] | 11943 |
|
| 2 | must [be] [verb] [prep] | 5095 |
|
| 3 | must [adv] [be] [verb] | 1062 |
|
| 4 | must [adv] [verb] [prep] | 417 |
|
| 5 | must [adv] [be] [prep] | 100 |
|
