Learning Hub Studio proudly presents a video to explain what are auxiliary verbs or helping verbs, how to use auxiliary verbs. It explains properties of auxiliary verbs and shows how to convert an affirmative statement into a negative statement by either adding ‘not’ after auxiliary verb or introducing don’t/doesn’t/didn’t (if affirmative sentence doesn’t have auxiliary verb). It explains how to turn a statement into a question or interrogative statement just by moving auxiliary verb before subject.