Aubie
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Ask Aubie encourages elementary school-age children to submit educational questions to Auburn University’s tiger mascot Aubie. An AU professor with knowledge in the related field is then tapped to “help Aubie” answer the question. Questions may be submitted to askaubie@auburn.edu.
QUESTION
April 27, 2005
   
Dear Aubie,

Why do you put "an" before a vowel and "a" before a consonant?

Tonekia Menefield
Ms. Skelton's class
Morris Avenue Intermediate School
Opelika

 
 
ANSWER
 
Dr. Thomas Nunnally Helping Aubie this week is:
Dr. Thomas Nunnally, associate professor of English, with AU's College of Liberal Arts.
 

Dear Tonekia,

Before I can answer your question about A and AN, I need to make a few points. First, all languages are constantly changing, so after a long time, the early form of a language is very different from the present form. One way languages sometimes change is for certain vowel sounds to shift. For example a thousand years ago, BAN (pronounced BAHN) was the word for BONE. Yes, it's hard to see it now, but a thousand years ago, AN (pronounced AHN) was the word for ONE (just like BAN was the word for BONE). So as the language developed, English speakers kept the old way of spelling "one" to put before any singular indefinite noun, like AN APE (that means there's just one ape, and it's not a particular or definite one). But English speakers used the new form of "one," spelled ONE, to mean the number "one."

Second, here's another way languages change. Often the last sounds of words drop off when it's easier to pronounce the word with other words. For example, did you know that ICE CREAM used to be ICED CREAM? Did you know that "I" used to be "IC" (pronounced just like "itch"!). And I'll bet you say, "I USE TO" rather than "I USEDuh TO," even though we still spell it USED.
When AN came before a word starting with a CONSONANT sound, it was easier to drop the N sound and just say A. Try it yourself. Is it easier to say AN TRAIN or A TRAIN, to say AN BOAT or A BOAT? But when AN came before a vowel sound, it was easier to keep the N sound because it makes going to the vowel sound of the next word smoother. Try it yourself. Is it easier to say AN APPLE or A APPLE, to say AN EGG or A EGG? (By the way some folks DO use A before all words just fine, but most speakers of English use AN before words starting with vowel sounds and A before words starting with non-vowel (or consonant) sounds-we call the type of English most preferred, the one we learn to write with in school, STANDARD ENGLISH).

So why is it hard sometimes to know whether to use A or AN? That brings up my third point. English started being written down over a thousand years ago, so some spellings are very old. At one time English spelling really did show how the word sounded, but as the language changed, the spellings didn't keep up. That explains why many English word spellings don't work very well to express how a word sounds. For example, KNIGHT used to be pronounced more like it is spelled, something like K-NIH-K-T! Also, some words came into English from other languages and were pronounced differently from how their spelling looked. For example, look at the word HOUR taken from French. Do you see that the H is not pronounced?

Putting all these facts together, you see that standard English requires us to say AN before any word starting with a vowel SOUND (it doesn't matter how the word is spelled, just how it is pronounced) and to say A before any word starting with a consonant (non-vowel) sound (again, no matter how it is spelled, just how it is pronounced). So, follow your ear: if the word starts with a vowel sound, use AN. If it starts with a consonant sound, use A. Try these words out yourself. If you trust your ear, I bet you'll get them right.

*********

An A or AN QUIZ

Circle the one that sounds right before the word: A or AN

1. A or AN? uncle

2. A or AN? union (HINT: Yuh is not a vowel sound)

3. A or AN? hog

4. A or AN? hour

5. A or AN? herb (Do you and your friends disagree? HINT: Some words can be pronounced more than one way.)

6. A or AN? history (HINT: go by the sound. Sometimes you'll see people use AN before HISTORY or HISTORICAL, but don't be confused. These people think they are being correct, but they are actually being very fuddy-duddy about this word. They should write AN only if they actually say 'ISTORY or 'ISTORICAL, as the words used to be pronounced long ago.)

 

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Answers: 1 an, 2 a, 3 a, 4 an, 5 either a or an is correct depending on whether you say 'erb or herb, 6 a

Thanks for your question,
Aubie and Dr. Nunnally


 

 

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