| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [be] [art] [noun] | 1198 |
|
| 2 | [be] set [art] [noun] | 136 |
|
| 3 | must [be] set [art] | 10 |
|
| 4 | must set [art] [noun] | 6 |
|
