| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] be [prep] | 3658 |
|
| 2 | [noun] must [verb] [prep] | 1558 |
|
| 3 | [noun] must [verb] be | 963 |
|
| 4 | [noun] must be [prep] | 502 |
|
| 5 | must [verb] be [prep] | 297 |
|
