Indefinite articles ‘a’ and ‘an’-Usage
Choose the appropriate indefinite article.
Indefinite articles are ‘a’ and ‘an’. They are called so because they do not specify or define a specific or particular thing.
- Use ‘a’ before a singular countable noun beginning with a consonant sound.
- A countable noun can be counted using numbers, as, one car, two cars, three cars, etc.
- Use ‘an’ before a singular noun beginning with a vowel sound.
- Use ‘an’ before a silent ‘h’ (The noun must be singular and countable.)
- Use ‘a’ before abbreviations that begin with a consonant sound, as,
a BA degree
- Use ‘an’ before abbreviations that begin with vowel sound, as,
an MA degree
Watch this video to know more about the rules: