| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must be [prep] [to-vb] | 9 |
|
| 2 | must be [prep] parliament [to-vb] | 6 |
|
| 3 | it must be [prep] parliament | 6 |
|
| 4 | it be [prep] parliament [to-vb] | 5 |
|
