| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] it must [vb infin] [noun] | 10 |
|
| 2 | [noun] it must [vb infin] [noun] | 10 |
|
| 3 | [noun] it must [vb infin] [noun sg] | 5 |
|
