Verb to be is, am, are ,was, were
Verb to have have, has ,had
Verb to do do, does ,did
will wound , shall should , can could , may might , must , need ,dare ,ought to , used to
Here are some examples of the common auxiliary verbs in action:
- Do you like German food?
- Does your mother speak English?
- Did you come to school yesterday?
- Why are you talking? You should be listening to me!
- I was having a bath when you called!
- A new road is being built behind the school.
- Have you done your homework?
- My father has never visited the USA.
- How long have you been living in Germany?
- By this time next year I will have been learning English for 35 years!
Modal verbs are a special class of auxiliary verb that is used to express conditionality, necessity, obligation, ability, and wishful desire. The modal verbs in English are:
- Shall We shall overcome.
- Should You should be dancing.
- Will I will always love you.
- Would If I had a million dollars, I would buy you an exotic pet.
- May You may be right; I may be crazy, but it just may be a lunatic you’re looking for.
- Might She might be mine.
- Can I can see clearly now the rain is gone.
- Could If I could turn back time..
- Must You must love me.
Exercise : Complete each sentence with the correct auxiliary verb ( do,does.have.has).
- What .............. you done?
- I ............ not like this song.
- .................she know that you are here?
- The lesson ................. not started yet.
- ................you drink milk?
- Who ............... eaten my biscuits?
- It ............. not matter.
- They ............... not want to play outside.
- We .............. not seen you for a long time.
- My friend ............... sent me some photos.

