| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] be the [num ord] [noun] | 104 |
|
| 2 | it [modal v] be the [num ord] [noun] | 104 |
|
| 3 | it must be the [adj] [noun] | 37 |
|
| 4 | [pron] must be the [num ord] [noun] | 10 |
|
| 5 | it must be [art] [num ord] [noun] | 8 |
|
| 6 | it must [be] the [num ord] [noun] | 7 |
|
| 7 | it must be the [num ord] [noun] | 7 |
|
