| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] be in [noun] | 93 |
|
| 2 | it must be [prep] [noun] | 36 |
|
| 3 | it must be [prep] [noun] | 36 |
|
| 4 | [pron] must be in [noun] | 31 |
|
| 5 | it must be in [noun] | 10 |
|
| 6 | it must [be] in [noun] | 10 |
|
| 7 | it must [be] in [noun] | 10 |
|
| 8 | it must be in [noun] | 10 |
|
