| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [is] [not/n't] a | 2242 |
|
| 2 | it [is] [not/n't] a | 2212 |
|
| 3 | [noun] it [is] [not/n't] | 860 |
|
| 4 | [noun] it [is] a | 850 |
|
