Term: Auxiliary Verbs


'DO', 'BE' and 'HAVE' are the English auxiliary verbs used in a negative structure, a question or to show tense.


1/ 'DO', 'DON'T', 'DOES' and 'DOESN'T' are used for questions and negatives in the Present Simple Tense, and 'DID' and 'DIDN'T' are used in the Past Simple Tense.

2/ 'BE' is used with thePresent Participle in Continuous (Progressive) Verbs. It is also used with the Past Participle in the Passive

3/ 'HAVE' is used with the Past Participle to form the Perfect Aspect.


See Also:Causative Verb; Copula Verb; Ditransitive Verb; Dynamic Verb; Finite Verb; Inchoative Verb; Intransitive Verb; Irregular Verb; Modal Verb; Non-finite Verb; Performative Verb; Phrasal Verb; Regular Verb; Stative Verb; Transitive Verb; Verb Group; Verb Phrase We also have anIrregular Verb List, a Phrasal Verb Glossary and an Irregular Verb Viewer you can download.

Category: Verbs and Tenses