Question

You are not tone deaf . type of sentence

Answer 1

simple present tense.

Answer 2

It is the simple present tense. It is because of the simple reason that the sentence talks about the present condition and therefore it easily falls into the desired tense.

In order to identify the tense, you first have to analyse the sentence as in which way it is going and based on that it becomes easy to sort the same into the right category of tense.