Question

I must not say otherwise.turn into affirmative.

Answer 1

I must say otherwise I hope this helps you

Answer 2

I MAY NOT SAY OTHERWISE. This sentence is in the negative form. To change it in the affirmative form we just have to change the sentence a little bit without changing the essence of the sentence. Affirmative sentences are those to which the answer is always “YES”. The above quoted sentence could be written as:

I MAY SAY DIRECTLY. In this we just have changed the phrase MAY NOT SAY OTHERWISE into DIRECTLY