You use an like this" I would love an apple.
Generally, "a" is used in front of a consonant, and "an" is used in front of a vowel, or vowel-sound - a 'y' or a soft 'h'.
I am not certain what 'front vowel i' is meant to be, but I was taught to use 'I' not 'i' as is too often seen nowadays.
The vowel sound in "ego" is the "ee" sound, which is a close front unrounded vowel.
Tongue front
The article "an" is used in front of words that start with a vowel. a dog an otter
The word that means the opposite of front and has a short vowel sound is "back."
apple, orange, hour, umbrella, igloo, elephant - any word beginning with a vowel or a vowel sound uses the article "an"
The word "back" has a short A vowel sound.
No. Use has a long vowel sound.
You put the article "an" in front of a word (instead of "a") when the word begins with a vowel sound, including some words that start with consonants (hour, honor).Words that begin with a vowel having a consonant sound such as "you" (euphemism, use) would still use the article "a" as when spoken.E.g. a uniform, a unicorn
It wouldn't be a word if you did.
The vowel sound in "cap" is /æ/ as in the word "bat." It is a short and open vowel sound produced in the front of the mouth.