| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] [coord] [not/n't] a [adj] | 23 |
|
| 2 | a [adj] [coord] [not/n't] a [adj] | 23 |
|
| 3 | a [adj] [coord] not a [adj] | 23 |
|
| 4 | a [adj] [coord] [not/n't] a [adj] | 17 |
|
| 5 | a [adj] and [not/n't] a [adj] | 15 |
|
| 6 | a [adj] but [not/n't] a [adj] | 8 |
|
| 7 | an [adj] [coord] [not/n't] a [adj] | 6 |
|
