Question

who do it change introgative​

Answer 1

Answer:

expert answer:

if a sentence is in the affirmative it is changed into negative interrogative. ...

if there is no auxiliary verb in the sentence change it by using do/does/did or don't /doesn't /didn't. ...

never is replaced by ever in interrogative sentences. ...

everybody/everyone/all is replaced by who+ don't / doesn't / didn't.

Answer 2

$hello$

It's already in interrogative form :

Who did it ?

or

By whom it was done ?

I hope my answer helps you.....✌