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.
hero
Noun
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Your hero is a person you greatly admire. This may also be someone you want to be similar to.
Leonardo DaVinci used to be my hero.
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Your hero is someone who saves or defends you.
"Oh, my hero!" she said to her rescuer.
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A hero is the main character in a story or film (movie).
A female hero is a heroine.
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Short for hero sandwich.
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A good person with special powers; a superhero.
of
Preposition
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Made using.
It is a house of cards.
our
Pronoun
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Our things are things that belong to us.
We've come in our new car.
Our daughter got a new job.
time
Noun
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Time is what we measure with a clock.
"What time do you finish work?" "At four o'clock (4:00)."
I don't have time to talk to you right now. Can we do it later?
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If you do something one time, you do it once.
time
Verb
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If you time something, you measure how long it takes in seconds, minutes, hours, etc.
Take out your watch and time yourself during the test.