| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] be [art] [noun] | 2498 |
|
| 2 | it [vb mod] be [art] [noun] | 2498 |
|
| 3 | [pron] must be [art] [noun] | 674 |
|
| 4 | it must be [art] [noun] | 206 |
|
| 5 | it must [be] [art] [noun] | 206 |
|
