Primary auxiliary verb-Its types

Primary auxiliary verb

Primary auxiliary verbs can be further divided as following :

  1. Verb 'to be': is, am, are, was, were
  2. Verb 'to have': have, has, had
  3. Verb 'to do': do, does, did

Auxiliary verb 'to be' (Is, Am, Are, Was, Were)

'Is, Am, Are' are used in present continuous tense while 'Was, Were' are used in past continuous tense.

For examples :

  1. She is palying. (present continuous tense)
  2. I am working. (present continuous tense)
  3. She was going. (past continuous)

Auxiliary verb 'to have' (Have, Has, Had)

The auxiliary 'Have, Has, Had' is used in the formation of the perfect tenses.

For examples :

  1. She has written a letter. (Present perfect tense)
  2. He had gone to France. (Past perfect tense)
  3. I shall have completed my work by that time. (Future perfect tense)

Auxiliary verb 'to do' (Do, Does, Did)

'Do, Does are used in present simple tense while 'Did' is used in past simple tense.

For examples :

  1. She does not walk. (present simple tense)
  2. We do not eat. (present simple tense)
  3. I did not play. (past simple tense)

NEXT --- Modal auxiliary verb


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