Question

you will look better in a red dress into negative interrogative sentences

Answer 1

1. Negative Sentence :- You will not look better in a red dress

2. Interrogative Sentence :- Will you look better in a red dress?

Answer 2

If you want the answer without changing the meaning of the sentence then the below will help you out-

Negative- You will not look worse in red dress. (mark that the question has 'better' which is positive degree form, thus to make it negative without changing the degree use particularly 'worse')

Interrogative- Will you look worse in a red dress? (the answer for this question will literally mean that you won't look worse in red dress).

Hope that helps you...