| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] [to-vb] [prep] [art] [noun] | 717 |
|
| 2 | [adv] [verb] [to-vb] [prep] a [noun] | 476 |
|
| 3 | not [verb] [verb] [prep] a [noun] | 224 |
|
