| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [verb] for [noun] [verb] | 83 |
|
| 2 | must [be] [verb] [prep] [noun] [verb] | 80 |
|
| 3 | must [be] [verb] [prep] [noun] [verb] | 80 |
|
| 4 | must [be] [verb] for [noun] [verb] | 7 |
|
