| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] [adj] [prep] | 11082 |
|
| 2 | must [be] [adj] [prep] | 1256 |
|
| 3 | must [prep] [be] [adj] | 41 |
|
| 4 | must [prep] [be] [prep] | 17 |
|
