KINDS OF AUXILIARY VERB: Tense Chapter 2:

 There are 2 kinds of Auxiliary Verbs

1. Primary Auxiliary Verb

    2. Modal Auxiliary Verb

There are 3 type of Primary Auxiliary Verb.

1.Be,

2. Have

3. Do

1. Be- Is, Are, Am, Was, Were, Been Being.

2. Has- Has, Have, Had, Will have, Shall have.

3. Do- Do, Does, Did,

Remember

Main verb is never affected by modal auxiliary verb.

Example- He can do his work by himself.

                 He could do his work by himself.

                 He must do his work by himself.

While Root verb is always affected by its Primary Auxiliary Verbs.