| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] be [prep] [noun sg] [to-vb] | 35 |
|
| 2 | it must be [prep] [noun] [to-vb] | 7 |
|
| 3 | [pron] must be [prep] [noun sg] [to-vb] | 7 |
|
| 4 | it must be [prep] [noun sg] [verb] | 6 |
|
| 5 | it must be [prep] [noun sg] [to-vb] | 6 |
|
| 6 | it must [be] [prep] [noun sg] [to-vb] | 6 |
|
| 7 | [pers pn] must be [prep] [noun sg] [to-vb] | 6 |
|
