| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not a [noun] [unc] | 68 |
|
| 2 | [adv] a [noun] ' | 50 |
|
| 3 | not [art] [noun] ' | 31 |
|
| 4 | [not/n't] a [noun] ' | 5 |
|
| 5 | not a [noun] ' | 5 |
|
