| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [coord] must [not/n't] be [vb pp] | 7 |
|
| 2 | [adj] [coord] must not be [vb pp] | 7 |
|
| 3 | [adj] and must [not/n't] be [vb pp] | 6 |
|
