Correct Answer:
Option C —
We have a meeting at ten.
Explanation
Main Verb (have in C): Here, "have" is the primary verb in the sentence, indicating possession or an scheduled event. It is not helping another verb.
Auxiliary (Helping) Verb (have in A, B, and D): In these choices, "have" is used alongside another main verb to form perfect tenses:
A: "have" + main verb finished (Present Perfect)
B: "have" + auxiliary "been" + main verb working (Present Perfect Continuous)
D: "have" + main verb seen (Present Perfect question)
Answer verified by Quintessence Classes faculty — Karan Nagar, Srinagar.