| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then why do n't you [verb] | 24 |
|
| 2 | then [Wh adv] do n't you [vb infin] | 24 |
|
| 3 | then [Wh adv] do n't you [verb] | 14 |
|
| 4 | then [Wh adv] did n't you [verb] | 10 |
|
