Auxiliary verbs

Auxiliary verbs are verbs which help the main verb to describe action. That action happened in the past or is happening in the present or will happen in the future.

They are;

Am              Has            Being

 Is                Have          Been

Are              Had           Ought to

Was             can           Going to

Were           could         have to

Do               shall           Used to

Does          should        Need

Did              will             Dare

May           would

Might           be 

Auxiliary verbs are also known as helping verbs because it changes or helps another verb.