| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must be [adj] [prep] | 122 |
|
| 2 | [verb] it must be [adj] | 34 |
|
| 3 | [verb] must be [adj] [prep] | 18 |
|
| 4 | [verb] it must be [prep] | 9 |
|
