| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must be [verb] to | 487 |
|
| 2 | must be [verb] to be | 71 |
|
| 3 | [noun] be [verb] to be | 28 |
|
| 4 | [noun] must [verb] to be | 27 |
|
