Englishfor English speakers
do
Verb
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Do is an auxiliary verb. It is used in questions, negative statements, short answers, and for emphasis when there is no other auxiliary.
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Questions
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Where do you live?
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When did you start learning English?
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"Does John live here?"
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Short answer
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"Yes, he does."
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"No, I don't."
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Negative statements
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They don't live here. [don't = do not]
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We do not want to fight.
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Jared did not tell me he had such a pretty sister.
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Emphasis (do not use this too much)
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You think I don't have a brother, but I do!
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She does enjoy swimming in the pool.
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We sometimes use do in place of a different verb, such as when we do not know what an activity is, or we do not want to say it again:
What is he doing?
Mary eats more than John does.
do
Verb
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When you do something, you perform, complete or work on a task.
Mary is doing her homework.
We all did the cleaning together.
I've got a lot to do.
"What do you do?" - "I'm a baker."
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To succeed or progress
"How did John do in the tennis match?" - "He lost."
"How is your leg doing?" - "Oh, it feels much better, thank you."
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To write or draw something, usually in a short time
He did a picture of a tree.
He did an essay on Shakespeare.
do
Noun
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A do refers to a hairstyle.
She came to work with a new do.
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Correct actions. (almost always in plural and generally with "don'ts")
Willy will tell you all the dos and don'ts.
you
Pronoun
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Used instead of the name of the person being spoken to; it is a second-person pronoun.
You are my best friend.
Can I go to the shops with you?
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Used to talk about anyone.
You have to be 18 years old to see that film.
She has problems with her eyes, and can't see you properly.
you
Determinative
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Used before a word that means the person or people someone is talking to.
You guys can leave now.
have
Verb
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Someone has something if the thing is in their hands. The person is holding or gripping it.
Do you have a spoon, or do you need me to give you one so you can eat the soup?
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If you have uto/u do something, you must do it.
I have to go.
I had to do it.
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Someone has something if the thing is that person's thing: the person owns it; it belongs to the person.
The rich family has a big house.
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If you have you hold something in the mind.
I have a doubt about him.
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If you have you join something.
We have lunch at 13:00.
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You use have to say that you suffer from something or to tell the experience.
I have a defective vision. (I don't see well.)
He had a wonderful time with his friends.
air
Noun
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Air is a mixture of gases. It has no color or odor (smell)
We breathe air to live.
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You put on airs when you act arrogantly.
The woman put on the airs in front of her friends.
air
Verb
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If you air something, you broadcast it, either over the radio, or on television.
Hurry! You'll miss the story about homeless children that is about to air on the local news!
conditioning
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noun
a learning process in which an organism's behavior becomes dependent on the occurrence of a stimulus in its environment