Indefinite Articles - a / an
Also See: PDF a / an indefinite articlesArticles a / an / the
(advanced)a / an / the worksheets
Use 'A' before a word which begins with a consonant sound.
Use 'AN' before a word which begins with a vowel sound
Note that the pronunciation is what matters when choosing between a & an.Examples:
an honor (h is silent)
a university (a before the 'y' sound)
a unitExercise: Fill in the blanks with A or An.
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