| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [be] [verb] [prep] [noun] | 1158 |
|
| 2 | [be] [verb] [prep] each [noun] | 355 |
|
| 3 | must [be] [verb] [prep] each | 37 |
|
| 4 | must [verb] [prep] each [noun] | 19 |
|
