An auxiliary verb, also known as a helping verb, is a type of verb that assists the main verb in a sentence. Examples of auxiliary verbs include “be,” “have,” and “do.” They often work together with the main verb to convey additional information about the action or state described in the sentence.

A modal verb is a type of verb that expresses concepts such as possibility, necessity, ability, permission, or obligation. Examples of modal verbs include “can,” “may,” “must,” “shall,” and “will.” Modal verbs help convey the speaker’s attitude, intention,