فلش‌کارت‌ها

A short answer provides a complete, polite response without unnecessary repetition. English relies on auxiliary verbs such as do, be, have, and modals to carry the grammatical tense, time, and agreement of the sentence. By echoing the question's auxiliary verb in the answer, you confirm the fact while keeping the conversation moving smoothly.

Do you work at the hospital downtown? Yes, I do.