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.
slippery
Adjective
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Tending or liable to cause slipping or sliding.
A slippery road can be dangerous.
slope
Noun
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A slope is one side of a hill.
We will have to climb up this slope to get to the top of the hill.
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The slope of a line is how far up it goes divided by how far along it goes.
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A slope is a person that is Chinese or of a race in East Asia.
slope
Verb
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If something slopes, it goes either up or down.
The hill slopes down at this point.