| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [noun] must be [verb] | 893 |
|
| 2 | [conj] [noun] must be [verb] | 471 |
|
| 3 | [noun] [conj] [noun] must be | 386 |
|
| 4 | [noun] [conj] [noun] must [verb] | 350 |
|
| 5 | [noun] [conj] must be [verb] | 338 |
|
| 6 | [noun] [conj] [noun] be [verb] | 118 |
|
