| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [adv] [adj] but [prep] a | 5 |
|
| 2 | [not/n't] [adv] but [prep] a [adj] | 6 |
|
| 3 | [not/n't] [adv] but [prep] a [adj] | 5 |
|
