| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [verb] [conj] [det] [noun pl] | 192 |
|
| 2 | must be [verb] [conj] [adj] [noun pl] | 59 |
|
| 3 | must be [verb] [conj] [det] [noun] | 55 |
|
| 4 | must [be] [verb] [conj] [det] [noun pl] | 24 |
|
