| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must be for [noun] [to-vb] | 7 |
|
| 2 | it must be [prep] [noun] [to-vb] | 7 |
|
| 3 | it must be [prep] [noun] [to-vb] | 7 |
|
| 4 | it must be [prep] [noun] [to-vb] | 7 |
|
| 5 | it must be for [noun] [to-vb] | 7 |
|
| 6 | it must be [prep] parliament [to-vb] | 6 |
|
| 7 | it must be [prep] [noun sg] [to-vb] | 6 |
|
| 8 | it must be [prep] parliament [to-vb] | 6 |
|
| 9 | it must be [prep] [noun] to decide | 5 |
|
