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.
big
Adjective
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If something is big, it is large in size; tall, wide, long, or fat.
He's bigger than me.
I would like a big glass of milk.
The tree was so big that you could see it over the top of the house.
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If something is big, it is important.
That's a big problem!
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Someone's big brother or a big sister is one who is older than the person.
I have a big brother who's stronger than you!
shot
Noun
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The sound of a gun firing.
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Small balls or pellets of lead typically fired from a shotgun.