1. Auxiliary Verbs

2. The most common auxiliary verbs are
Auxiliary verbs are verbs that combine with another verb to make a complete verb.
The most common auxiliary verbs are
Be: am, is, are, was, were, being, been
Do: does, do, did
Have: has, have, had, having

3. For example: They help express the tense, voice or mood of a sentence.
I am working.
used to make the tense continuous
Jim and Sam have seen the film.
used to make the present perfect and past perfect tense
I do not like tennis.
used to form negatives or questions

4. Your turn Which sentence contains an auxiliary verb?
I have been working today.
The boy swam well.
The horse jumped over the fence.

5. I have been working today. Have is an auxiliary verb.
That’s right!
I have been working today.
Have is an auxiliary verb.

6. Auxiliary verbs can add emphasis or ask questions.
Remember!
Auxiliary verbs can add emphasis or ask questions.