| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] [conj] a [noun sg] | 152 |
|
| 2 | a [adj] [conj] [not/n't] a | 32 |
|
| 3 | [adj] [conj] [not/n't] a [noun sg] | 21 |
|
