| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [be] [prep] [noun] | 343 |
|
| 2 | [pron] must [be] [prep] [noun] | 75 |
|
| 3 | [pers pn] must [be] [prep] [noun] | 68 |
|
| 4 | it must [be] [prep] [noun] | 36 |
|
| 5 | it must [be] [prep] [noun] | 36 |
|
