When to use 'a' & 'an' (2024)

When to use 'a' & 'an' (1)

Cambridge: a university / an university?

You were probably taught at school ‘an’ should be followed by a vowel (a,e,i,o,u) and a should be followed by a consonant:

an elephant
a car

Unfortunately, this is not always true!

When to use an or a depends on how the word is pronounced and not on how it is written.

The U in university is pronounced with a long ‘u’ sound which sounds like ‘yew’ and is written as j in the phonetic alphabet. So, although the letter is a vowel, it is not pronounced like one in 'university' because it does not have a vowel sound. We therefore say ‘a university’.

The U in umbrella is pronounced as a vowel sound ( Λ using the phonetic alphabet) and so we use ‘an’. We therefore say ‘an umbrella’.

This rule also applies to the use of consonants.

The word hour has a soft ‘h’ which is weakly pronounced and therefore we say ‘an hour’.

If the word has a hard ‘h’, like house, we use ‘a’ (a house).

Take a look at the following words and decide if they should have ‘a’ or ‘an’

  • fly
  • European
  • house
  • hour
  • FBI Agent
  • footballer
  • honour

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When to use 'a' & 'an' (2024)
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