| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be in [art] [noun] | 80 |
|
| 2 | they must be [art] [noun] | 10 |
|
| 3 | they must be in [art] | 10 |
|
| 4 | they must be in [noun] | 5 |
|
