Englishfor English speakers
member
Noun
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A member is someone belonging to a group or organization.
I am a member of Simple English Wikipedia.
of
Preposition
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Made using.
It is a house of cards.
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."
—
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.
underground
Adjective
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of or about being under the ground
Underground water is drying up.
—
secret or not well known
The underground music scene is really interesting.
Underground drug sales have increased over the last year.
underground
Preposition
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being or moving under the ground
Let's go underground. It's safer down there.
The new trains will run underground.
—
If you go underground, you keep your activities secret.
underground
Noun
—
The underground is a system of trains that runs mostly under the ground.
The London underground is a great way to move about the city.