| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [det] [adj] | 373 |
|
| 2 | must be [adj] [adj] | 77 |
|
| 3 | must be [det] [adj] | 65 |
|
| 4 | must [be] [det] [adj] | 46 |
|
