| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] why i [verb] | 818 |
|
| 2 | why i [verb] n't | 144 |
|
| 3 | [is] i [verb] n't | 79 |
|
| 4 | [is] why [verb] n't | 6 |
|
