| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must be [verb] | 6921 |
|
| 2 | [pos pn] [noun] must [verb] | 451 |
|
| 3 | [pos pn] [noun] must be | 378 |
|
| 4 | [pos pn] [noun] be [verb] | 167 |
|
