Do/don't

[Rachel Adams]

Is it possible to use "do" and "don't" in one sentence? Instead of saying "Don't native speakers use short forms?"

"Do native speakers don't use short forms?"

[Rover_KE]

Is it possible to use "do" and "don't" in one sentence? Yes. Do you or don't you want to come to my bar mitzvah?

Instead of saying "Don't native speakers use short forms?"

"Do native speakers don't use short forms?" No. Do native speakers not use short forms? Don't native speakers use short forms?