Indefinite articles - A and An
'A' and 'an' are the indefinite articles. They refer to something which is not specific.
Use of Indefinite Article
1. 'A' and 'an' are used before countable nouns in the singular number.
For example: "I saw an elephant this morning." "I ate o banana for lunch."
2. 'A' and 'an' are also used with a noun complement.
For example: "I am an English teacher." "I am o builder."
Specific Rules of Use
1. 'A' is used when the noun begins with a consonant (b, c, d, f, g, h, j, k, I, m, n, p, q, r, s, t, v, w, x, y and z).
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