Englishfor English speakers
the
Determiner
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Used, instead of a, to reference something specific, already known to exist.
Compare "I read a book." and "I read the book."
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Used with a stress, to show that the word following is special.
Are you the John Smith that I went to school with?
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Used with an adjective that acts like a noun to mean all of the people concerned
The poor are always with us.
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Used with superlatives forms of adjectives and adverbs.
You are the best.
slippery
Adjective
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Tending or liable to cause slipping or sliding.
A slippery road can be dangerous.
jack
Noun
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A jack is a machine for lifting heavy thing. Often a jack is used to lift a car for fixing.
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A jack is a plug or connector for electronics.
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A jack is a flag used at by ships at sea.
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Another word for nothing.
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A jack is a playing card with a J on it.
jack
Verb
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To use a jack.
He jacked the car up so that he could replace the brake pads.
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To steal.
Someone jacked my car last night!
Jack
Proper noun
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Jack is a male given name.