| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a [noun] [noun] | 7283 |
|
| 2 | [not/n't] a [noun] [noun] | 915 |
|
| 3 | not a [noun] [noun] | 914 |
|
| 4 | n't [art] [noun] [noun] | 266 |
|
| 5 | n't [art] [noun] [noun] | 266 |
|
| 6 | n't a [noun] [noun] | 169 |
|
