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an S1 W1

XX used when the following word begins with a vowel sound [↪ a]:
an orange
an X-ray
an orange
an X-ray ➔ see usage note aWORD CHOICE: 
a, an Before a word beginning with a vowel sound, use an • an elephant • an umbrella • an obvious mistake!! Use an before an 'h' that is not pronounced • an hour later • an honest explanation!! Use a before a 'u' that is pronounced like 'you' • a university • a unique opportunity!! Use an before an abbreviation that is pronounced with a vowel sound at the start • an SOS call • an MP3 file ➔ See also a

a, an Before a word beginning with a vowel sound, use an • an elephant • an umbrella • an obvious mistake!! Use an before an 'h' that is not pronounced • an hour later • an honest explanation!! Use a before a 'u' that is pronounced like 'you' • a university • a unique opportunity!! Use an before an abbreviation that is pronounced with a vowel sound at the start • an SOS call • an MP3 file ➔ See also a





