| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb past] n't you | 421 |
|
| 2 | then why [vb past] you | 22 |
|
| 3 | then why [vb past] n't | 22 |
|
| 4 | then [vb past] n't you | 9 |
|
