| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adj] [noun] | 97015 |
|
| 2 | must [be] [adj] | 4591 |
|
| 3 | must [be] [noun] | 681 |
|
| 4 | must [adj] [noun] | 30 |
|
