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Grab The RSSWhen to use “an”
David asks
When to use a or an? a horse, an apple. A SUV or an SUV?
The rule is to use the article a before words beginning with a consonant sound and an before one beginning with a vowel sound:
a dog
an eel
an hour
Disagreement exists with certain “h” words. For example, not everyone pronounces the h in herb, homage, and humble, but more and more native speakers do.
Depending upon vocal stress, one might hear either “a historic occasion” or “an historic occasion.” Most American speakers would probably say “a historic.” Either is correct in writing.
About the only common English “h words” that definitely require an are heir/heiress/heirloom, honest, honor/honorable, and hour:
an heir to the throne
an honest man
an honorable woman
an hour before
Which indefinite article to use before an abbreviation, a numeral, or a symbol, depends upon pronunciation.
Some examples from the Chicago Manual of Style:
an NBC anchor
a CBS anchor
a URL
an @ sign
CMOS also points out two possible readings of MS:
an MS treatment
Here the letters stand for “multiple sclerosis” and are read as “Em S.”
a MS in the National library
Here the letters stand for “manuscript” and are customarily read as “manuscript.”
You’d write “an SUV” because SUV is pronounced one letter at a time and the sound of S is “ess.”
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11 Responses to “When to use “an””
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I thought it was automatic to use an in front of a vowel. I never gave much thought to an hour. I always wrote it like that because that’s how I say it.
Thanks for the tips.
I’m so grateful I’ve got a decent ear for these things… thank my parents often for growing up hearing English used well.
hi…thank you for grammaring to this website so i will always go to this website so im very thankful to this website because im veryu thankful to this website….hehehe
what about the word unified ?
if i wana say : in his search for (a/an) unified answer to these problems . which should i use ?
use a, an sounds terrible ..
It would definately be ‘a’ for unified. if you think how a child would say ‘U’ when first learning phonetically it would be pronounced ‘uhh’ as in up. Unified starts with U’s ‘name’ which is pronounced ‘yew’. Yew = a and uhh= an. As in ‘an umbrella’ or an ‘utter nonsense’ as opposed to ‘a university’ or ‘a useful piece of information’ which I hope I just provided!
for e.g. an MBA
it is because if we pronounce the letter “M”, we speak ‘em or am’. Both starts with vowel. So “an” is used used here same in the case with the word hour and other
Here’s an article usage with acronyms that can screw with your noodle.
“Yesterday, a/an NATO official reported that no news is good news.”
The question is which to use? NATO itself is an acronym but is commonly pronounced as a word. Now I am not a literary scholar but have always felt that the article usage should be used in the manner of what the acronym actually means.
My point being is that if you write the article (a/an) to match what the word is for the first letter of the acronym, then you can really never be wrong. Thats just my opinion however.
should i use ‘a’ with NGO or ‘an’ ?
Thanks for a supporting reference on english grammar.
As a foreigner in the US, and being english my second language I learned grammar rules and try to stick to them always.
Often, I am seen either as a foreigner trying to speak english or as a petulant trying to teach americans how to speak well.
Thank you very much. I saw the use of both an and a before herbal plant. I wondered why and checked this site and is very satisfied.
“Always use an heir”- I didn’t know that. This is a great site. Hope you will add more.