| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [be] [noun] | 1028 |
|
| 2 | [pron] must [be] [noun] | 443 |
|
| 3 | [pers pn] must [be] [noun] | 246 |
|
| 4 | it must [be] [noun] | 147 |
|
| 5 | it must [be] [noun] | 147 |
|
