Examples of “auxiliary” in a Sentence

adjective Providing extra help or support to something else, rather than being the main part.

• The hospital brought in auxiliary staff during the outbreak.
• They kept an auxiliary generator in case the power went out.
• The ship carries an auxiliary engine that starts if the main one fails.

noun A verb, such as "have," "be," or "will," used together with another verb to show tense, mood, or voice.

• In "she has finished," "has" is the auxiliary.
• In "they will arrive soon", the word "will" is an auxiliary.
• English questions often begin with an auxiliary, such as "do" or "can".