| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't you | 1585 |
|
| 2 | [Wh adv] do n't you | 1582 |
|
| 3 | [Wh adv] do n't you | 1161 |
|
| 4 | [Wh adv] did n't you | 422 |
|
