| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] [art] [noun] | 3014 |
|
| 2 | [modal v] set [art] [noun] | 175 |
|
| 3 | [vb mod] set [art] [noun] | 175 |
|
| 4 | must set [art] [noun] | 6 |
|
| 5 | must set [art] [noun] | 6 |
|
