An Exceptions Guide
What Are the Exceptions to Using 'An' Before a Vowel?

Learn when to use 'a' instead of 'an' before vowel-starting words based on pronunciation exceptions and silent letters.

Grammar Tip: 'An' Before 'O'
Do You Use 'An' Before Words Starting with O? Explanation and Examples

Learn when to use 'an' before words starting with 'O' based on vowel sounds, including acronyms and common words.

Grammar Tip: Snake
Is it a Snake or an Snake? Understanding Article Usage

Learn when to use 'a' vs. 'an' for proper English grammar in our quick Q&A video.