| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] not | 3613 |
|
| 2 | why [verb] [adv] | 2976 |
|
| 3 | why [verb] [not/n't] | 2816 |
|
| 4 | why [verb] not | 2812 |
|
