| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [verb] | 380619 |
|
| 2 | [not/n't] [to-vb] | 14051 |
|
| 3 | [adv] to maintain | 169 |
|
| 4 | [not/n't] maintain | 104 |
|
