| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adv] [verb] [be] | 1060 |
|
| 2 | must [adv] [verb] [be] | 195 |
|
| 3 | must [adv] [adv] [verb] | 140 |
|
| 4 | must [adv] [adv] [be] | 65 |
|
