| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be in [prep] [adj] | 5 |
|
| 2 | must [be] in [prep] [adj] | 5 |
|
| 3 | must [be] in [prep] [num] | 5 |
|
| 4 | must [be] in [prep] [adj] | 5 |
|
| 5 | must be in [prep] [adj] | 5 |
|
| 6 | must [be] in [prep] [adj] | 5 |
|
