Pattern: a-an-singular-countable

Structure Overview

Formula: a / an + [Singular Countable Noun]
Phonological Rule: Use a before consonant sounds (a university, a European car); use an before vowel sounds (an hour, an umbrella).
Core Meaning: Used for non-specific references, first mentions in discourse, or classifying jobs and roles.


💬 Contextual Examples


🎴 Interactive Web Practice (Click to Reveal)

Practice 1: My brother is ______ university student in Toronto.
Answer: a

Practice 2: It is ______ honor to meet you today.
Answer: an

🔗 Knowledge Base Connections