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Grammar Basics · 3-minute read

A or an?

Choose a or an based on the first sound of the following word.

The simple rule

Use an before a vowel sound and a before a consonant sound. It is an hour, but a university.

See the difference

✓ Say thisShe is an engineer.
✕ Avoid thisShe is a engineer.

Try it yourself

Say the correct example aloud, then create a sentence about your own life using the same pattern.

Check your understanding