| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [be] [adj] [noun] | 496 |
|
| 2 | [be] at [adj] [noun] | 156 |
|
| 3 | must at [adj] [noun] | 25 |
|
| 4 | must [be] at [noun] | 16 |
|
| 5 | must [be] at [adj] | 8 |
|
