| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [verb] [adv] | 20911 |
|
| 2 | why [not/n't] [verb] | 909 |
|
| 3 | why [verb] [adv] | 126 |
|
| 4 | why [not/n't] [adv] | 99 |
|
