| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] but not | 76 |
|
| 2 | a [adj] but [art] | 57 |
|
| 3 | [adj] but not [art] | 33 |
|
| 4 | a [adj] not [art] | 14 |
|
