| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then [Wh adv] [vb past] n't you | 12 |
|
| 2 | then [adv] [vb past] n't you | 12 |
|
| 3 | then why [vb past] n't you | 12 |
|
| 4 | then why [vb past] n't you | 12 |
|
