| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] be [adj] | 997 |
|
| 2 | must [verb] be [adj] | 772 |
|
| 3 | must [be] [verb] [adj] | 418 |
|
| 4 | must [be] [verb] be | 43 |
|
