Understanding Auxiliary Verbs

Front

Definition of Auxiliary Verb

Back

Helps main verb express tense, mood, voice

Front

Primary Auxiliary Verbs

Back

Be, have, do

Front

Modal Auxiliary Verbs

Back

Can, could, may, might, must

Front

Function of 'Be'

Back

Forms continuous tenses, passive voice

Front

Function of 'Have'

Back

Forms perfect tenses

Front

Function of 'Do'

Back

Forms questions, negatives, emphasis

Front

Use of 'Can'

Back

Express ability, permission

Front

Use of 'Must'

Back

Express obligation, necessity

Front

Use of 'May'

Back

Express possibility, permission

Front

Auxiliary vs Main Verb

Back

Auxiliary supports; main shows action/state