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".
—
In some schools, an A is a very high grade.
Ron got an A on his earth science test.
hill
Noun
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A hill is a piece of high ground that rises up out of lower ground. A hill is like a mountain but smaller.
My house was on the top of a hill.
We had to climb a tall hill to reach the old family cemetery (place where dead people are buried).
of
Preposition
—
Made using.
It is a house of cards.
beans
noun
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(slang, urban) pills; drugs in pill form
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(slang, vulgar) testes