| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [vb infin] be the [noun] | 111 |
|
| 2 | it [modal v] [vb infin] be the [noun] | 111 |
|
| 3 | it must [vb infin] be [art] [noun] | 85 |
|
| 4 | [pron] must [vb infin] be the [noun] | 47 |
|
| 5 | it must [verb] be the [noun] | 30 |
|
| 6 | it must [vb infin] be the [noun] | 30 |
|
| 7 | it must [vb infin] [be] the [noun] | 30 |
|
