| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] [verb] be [det] | 40 |
|
| 2 | must [adv] [verb] be [adj] | 37 |
|
| 3 | must [adv] [verb] be [det] | 7 |
|
| 4 | must [adv] [verb] [be] [det] | 6 |
|
