Englishfor English speakers
at
Preposition
—
Used to describe where something is, or when saying something's position
I am at home.
Let's meet at the pub!
—
The time at which something happened or will happen
Breakfast is at 9 o'clock.
At 5pm we went home.
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Indicating something's state
At half price!
Water boils at high temperatures.
at
Symbol
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The @ symbol, used to replace at
support@microsoft.com is an email address.
Apples @ £1.50 per kilogram.
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.
speed
Verb
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When you speed, you move or do something very fast.
The plane sped through the air.
—
When you speed in a car, you drive faster than the law allows.
If you speed in your car, you might have an accident.
speed
Noun
—
The speed of something is how fast it moves.
sound moves at a very high speed.
of
Preposition
—
Made using.
It is a house of cards.