| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [noun] must be [prep] [adj] | 16 |
|
| 2 | [art] [noun] must be [prep] [adj] | 16 |
|
| 3 | [art] [noun sg] must be [prep] [adj] | 13 |
|
| 4 | [art] [noun] must be in [adj] | 7 |
|
