| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must [verb] be [adj] [noun] | 37 |
|
| 2 | it [modal v] [verb] be [num] [noun] | 26 |
|
| 3 | it [vb mod] [verb] be [num] [noun] | 26 |
|
| 4 | [pron] must [verb] be [num] [noun] | 21 |
|
| 5 | [pers pn] must [verb] be [num] [noun] | 13 |
|
| 6 | it must [verb] [be] [num] [noun] | 10 |
|
| 7 | it must [verb] be [num] [noun] | 10 |
|
| 8 | it must [verb] be [num] [noun] | 10 |
|
