| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [be] [prep] [noun] | 239 |
|
| 2 | [be] [prep] good [noun] | 98 |
|
| 3 | must [be] good [noun] | 14 |
|
| 4 | must [be] [prep] good | 13 |
|
