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"a professional proofreader" vs "an professional proofreader"

The correct phrase is 'a professional proofreader.' The use of 'an' before a word starting with a consonant sound is incorrect in English. 'An' is used before words that start with a vowel sound.

Last Updated: March 19, 2024

a professional proofreader

This phrase is correct. 'A' is used before words that start with a consonant sound.

Use 'a' before words that start with a consonant sound. In this case, 'professional' starts with a consonant sound ('pruh-fesh-uh-nl').

an professional proofreader

This phrase is incorrect. 'An' is used before words that start with a vowel sound, not a consonant sound.

Avoid using 'an' before words that start with a consonant sound. Use 'a' instead.

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