Articles

USING A vs. AN

(a) I had a sandwich and an apple for breakfast.	Use "a" and "an" in front of singular count nouns.
(b) I live in an apartment. (c) Susan is an old woman.	Use "an" in front of words that begin with the vowels a, e, i, and o: Use "an" if the adjective begins with a vowel and comes in front of a singular count noun.
(d) He has an uncle. COMPARE: (e) He works at a university.	Use "an" if a word that begins with �u� has a vowel sound: Use "a" if a word that begins with �u� has a /yu/ sound:
(f) I sometimes drive 100 kilometers an hour. COMPARE: (g) I live in a house but my friend lives in a hotel.	Use "an" if the �h� is not pronounced. Use "a" if the �h� is pronounced.