| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [adj] [noun] | 124971 |
|
| 2 | an [adj] [noun] | 122499 |
|
| 3 | [art] open [noun] | 4250 |
|
| 4 | [art] open [noun] | 4250 |
|
| 5 | a open [noun] | 1642 |
|
| 6 | an open [noun] | 1637 |
|
