| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] [be] [verb] [adj] | 667 |
|
| 2 | must [adv] [be] [verb] [adj] | 46 |
|
| 3 | must [adv] [be] [verb] [adj] | 28 |
|
