| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must be [verb] | 1448 |
|
| 2 | must be [verb] that | 641 |
|
| 3 | it be [verb] that | 143 |
|
| 4 | it must [verb] that | 29 |
|
| 5 | it must be that | 6 |
|
