Here are the most common auxiliary verbs in English:
Forms of *be*
* am
* is
* are
* was
* were
* being
* been
Forms of *have*
* have
* has
* had
* having
Forms of *do*
* do
* does
* did
Other auxiliary verbs
* will
* shall
* would
* should
* can
* could
* may
* might
* must
Examples of auxiliary verbs in sentences:
* I am going to the store. (*am* helps the main verb *going*)
* They have been studying all night. (*have* and *been* help the main verb *studying*)
* She does not like to cook. (*does* helps the main verb *like*)
* We will finish the project tomorrow. (*will* helps the main verb *finish*)
Functions of auxiliary verbs:
* Tense: Auxiliary verbs help to form different tenses, such as the past, present, and future.
* Mood: They can express different moods, like the indicative (statement of fact), interrogative (question), or imperative (command).
* Voice: Auxiliary verbs help to form the passive voice.
* Emphasis: They can add emphasis to a sentence.
Let me know if you have any other questions about auxiliary verbs!