| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun] should [verb] a clear | 9 |
|
| 2 | [art] [noun] should [verb] a clear | 9 |
|
| 3 | [noun] should [verb] a clear [noun sg] | 10 |
|
| 4 | [noun] should [verb] a clear [noun] | 10 |
|
