Final answer:
The sentence using an auxiliary verb is 'Eleanor was tired from all the studying she had done,' where 'had' is the auxiliary verb. Auxiliary verbs help to form different tenses and moods in English grammar.
Step-by-step explanation:
The sentence that makes use of an auxiliary verb is: Eleanor was tired from all the studying she had done. The auxiliary verb here is 'had,' which helps to form the past perfect tense in the sentence. In English grammar, auxiliary verbs are used with a main verb to form tenses, voices, moods, and to create negations and interrogations.
Review Questions:
- I finally found my keys, and I got to work just in time.
- Mrs. Contreras threw out her old coffee table and cleaned the carpet.
- Taking the elevator to the roof, we hoped we could see the skyline and the bay.
- Though Susan wasn't feeling well, she went to the store anyway and bought ice cream, pizza, and candy.
- I let my neighbor borrow my phone because she said hers was tapped by the police.