| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must [vb infin] [det] [noun] | 30 |
|
| 2 | it must [vb infin] [adj] [noun sg] | 30 |
|
| 3 | it must [vb infin] [adj] [noun pl] | 26 |
|
| 4 | it must [vb infin] [adj] [noun] | 22 |
|
| 5 | it must [vb infin] some [noun] | 11 |
|
| 6 | it must [vb infin] some [noun] | 11 |
|
| 7 | it must have [adj] [noun] | 11 |
|
| 8 | it must [vb infin] all [noun] | 5 |
|
| 9 | it must [vb infin] all [noun] | 5 |
|
