Englishfor English speakers
a
Determinative
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A is used when the following word could be any of a certain type.
Compare "A book I saw on the shelf" and "The book I gave you yesterday".
a
Noun
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A is the first letter of the alphabet.
The letter "a" comes before "b".
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In some schools, an A is a very high grade.
Ron got an A on his earth science test.
minor
Adjective
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A minor change, problem, injury, etc. is not very important.
We still have to make a few minor changes, but it's mostly done.
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A minor musical scale is a scale that starts two notes before the major scale. Music in a minor scale often sounds sad.
That music could be A minor or C major.
minor
Noun
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A minor is a subject area that is not the main study of a student at a college or university, but is their second most important focus.
I had so many credit hours of English, it became my minor.
minor
Verb
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Minor means to minor in a subject at a college or university.
I had so many credit hours of English that I decided to minor in it.