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.
chin
Noun
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The chin is the lowest part of the face. It is the point of the jaw and the part of the face where beards grow.
My chin is below my mouth.
wag
Verb
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A wag is when an animal shakes a tail. For example, a dog shakes its tail from side to side.
That dog wagged its tail
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A person who wags does not go to school when they are supposed to be.
He's wagging school.