7 ms·'an' precedes a vowel sound, 'a' precedes a consonant sound.by lagniappe 11mo ago'an' precedes a vowel sound, 'a' precedes a consonant sound.not-so-darkstar 11mo agoit's a jokelagniappe 11mo agowhat's the punchline? I like jokesls-a 11mo agoyou just explained an vs a. Be ashamed of yourself