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.
result
Noun
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The solution of a mathematical equation.
The result of 1 + 1 is 2.
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The situation at the end of a process, its outcome.
The result of the race was that Peter won.
result
Verb
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To come to a certain end.
A lot of digging results in a deep hole.
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To be the consequence of something.
A deep hole resulted from all the digging.