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.
button
Noun
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A button is a round object that can be pushed through clothing so that the clothing stays on.
Sarah's sweater doesn't work anymore because the buttons popped off.
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A button is a switch that is turned on by pressing it.
I pressed the button to turn on the television.
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A button is a badge that can be worn of clothing and is put onto the clothing with a pin to hold it in place.
I have a "Vote for Bush" button.
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If a poker player has the button, he is the last person to act on that hand.
button
Verb
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If you button something, you fasten it with a button.
Button up your coat!
through
Preposition
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To go through is to go into one side of something and come out the other side.
The thief came in through the window.
She pushed the thread through the hole in the needle.
skirt
Noun
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A skirt is a loose cloth that a woman uses to cover her legs; the lower part of a dress.
She has a blue skirt and a red shirt on.