| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] be [adj] | 772 |
|
| 2 | must [verb] be [det] | 100 |
|
| 3 | [modal v] [verb] be those | 14 |
|
| 4 | must [verb] [be] those | 5 |
|
| 5 | must [verb] be those | 5 |
|
