| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [conj] [modal v] be | 800 |
|
| 2 | [adj] [conj] [vb mod] be | 800 |
|
| 3 | [adj] [conj] must be | 60 |
|
| 4 | [adj] [conj] must be | 54 |
|
| 5 | [adj] [conj] must be | 54 |
|
| 6 | [adj] [conj] must [be] | 54 |
|
| 7 | [adj] [conj] must [be] | 54 |
|
