| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [be] [adj] [verb] | 685 |
|
| 2 | [be] [adj] [verb] on | 399 |
|
| 3 | must [be] [verb] on | 278 |
|
| 4 | must [be] [adj] on | 47 |
|
