| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [prep] [adj] | 1146 |
|
| 2 | must be [prep] [adj] | 168 |
|
| 3 | must [be] [prep] [adj] | 89 |
|
| 4 | must be [prep] [adj] | 89 |
|
| 5 | must be [prep] [adj] | 89 |
|
| 6 | must [be] [prep] [adj] | 89 |
|
