Question

I shall never forget you change into interrogative sentence

Answer 1

l will not forget you ?
l don't know
but just l tired

Answer 2

An interrogative sentence can be always asking a direct question.

And it can be punctuated at the end .it can be a highly useful piece of sentence formation.

So you can get more information and clear at any confusion.

And it can help in engaging with interesting conversation with others.

It can be helpful in writing as superb organizational tools.