Page 986 - Wordsmith A Guide to College Writing
P. 986
Words Commonly Confused
1 Choose the correct word when faced with
commonly confused words, such as there
and their, less and fewer, or to, too, and
two.
a, an
The article a is used before consonant
sounds. The article an is used before vowel
sounds.
a cat, a sandy beach, a widely held opinion; an advanced class, an
egg, an ostrich.
But you must base your choice on the consonant or vowel sound.
Some words—such as those beginning with a silent h or with a u that