Englishfor English speakers
chairman
Noun
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A chairman is the person who controls a meeting or an organization.
Alan Eastwood is the former chairman of the Police Federation.
Mr Saatchi will continue as chairman but is being replaced as chief executive by Robert Louis-Dreyfus.
Mr Chairman, ladies and gentlemen I'd like to present to the board the results of our research.
of
Preposition
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Made using.
It is a house of cards.
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."
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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.
executive
Adjective
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Designed for execution, or carrying into effect.
executive
Noun
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A name for the head officer or administrator, especially one who can make important decisions.
The executive of the company was criticized for his poor management.
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The part of government that enforces laws and judicial decisions, and is in charge of running of the state.
The President is the chief executive of the United States government.
committee
Noun
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A group of people that come together to do something or decide something.
He is on the administrative committee. They decide how to administer the school.