English Short Lesson : A and An SHORT LESSON: Use the indefinite article a with words beginning with a consonant sound. Use the indefinite article an with words beginning with a vowel sound. a cat, a game of golf, a Frenchman an apple, an old man, an umbrella Related posts: No related posts. Tags: english short lesson| Share This Story, Choose Your Platform! FacebookTwitterLinkedInRedditTumblrPinterestVkEmail Leave A Comment Cancel replyYou must be logged in to post a comment.