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.
framework
Noun
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A framework is basic ideas and organisation that you can build an argument, a book, a society, etc. around.
The aim of the course is to provide a comprehensive framework for practical and theoretical study in Art and Design.
The purpose of a system of budgeting is to provide a reasoned framework for the financial decisions of a future period.
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A framework is the structural supports that a building, vehicle, etc. is built around.
Very large iron and steel beams provide the framework for the building’s central section.
for
Preposition
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shows that something belongs to something else, or has a specific function
This cake is for you.
This is a net for catching fish.
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For is used to show the reason for something
He was angry, for he had never been called such terrible names before.
for
Subordinator
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For introduces a clause with a subject and a to-infinitive
It's not good for you to be too relaxed.
change
Verb
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If you change something, you make it different than before.
Ellen changed the sentence so that it was correct.
change
Noun
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A change is when something becomes different.
The building plan required some small changes.
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When you get change for a bill, you get smaller bills or coins that equal the amount of the original bill. For example, if you get change for a $5 bill, you may get five $1 bills or you may get four $1 bills and coins that add up to $1 or you may get some other combination of bills and coins.
Can I get change for this $100 bill please?
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A change is a replacement.
I brought a change of clothes, just in case.