| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [art] [adj] but [art] [noun sg] | 7 |
|
| 2 | [not/n't] [art] [adj] but a [noun sg] | 7 |
|
| 3 | [not/n't] a [adj] but [art] [noun sg] | 5 |
|
