One of the things that people learn when they are trying to learn English is when they should use “a” and “an.” The main difference between the two is when you should use them. You would use the word “a” when the object that you are going to talk about starts with a consonant. You will use the word “an” when the object that comes after the word starts with a vowel.
The vowels are “a,” “e,” “I,” “o,” and “u.” All of the other letters that you can find in the alphabet are consonants. Do remember that there are some exceptions to when “an” and “a” can be used depending on the sound that will be made when you say the next word.
A is the first letter of the English alphabet, and it is a vowel of which there are only five. If you achieve an A in school, you have been correct by 100%. It is a function word that is used before a noun to describe it as a singular item.
The A covers many parts of speech, such as the article would be “a man fell,” preposition, verb, abbreviation, prefix, and the symbol for Argon in the periodic table. The word is also an article and is always used before a word beginning with a vowel.
Both a and an are used in the same way with the exception that A is used before a word starting with a consonant and a would be used before a word that begins with a vowel.