| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did n't you [adv] [verb] | 19 |
|
| 2 | [Wh adv] did n't you [adv] [vb infin] | 19 |
|
| 3 | [Wh adv] did n't you just [verb] | 16 |
|
