Question

they did not give me report make it affirmative​

Answer 1

THEY FORGOT TO GIVE ME REPORT.....

Answer 2

Affirmative sentence will be - They forgot to give me report.

The sentences are represented in four ways on the basis of method of conveying information-

Declarative, interrogative, exclamatory and imperative sentences.

Declarative sentences include affirmative and negative sentences.

Affirmative sentences are marked by positive meaning while negative uses words like no, not, nor etc.

Hence, in the sentence not will be removed by a substitute word 'forget' here.