| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] and [not/n't] a | 20 |
|
| 2 | is a [adj] and a | 14 |
|
| 3 | is a [adj] and [not/n't] | 7 |
|
| 4 | is a [adj] [not/n't] a | 5 |
|
