Englishfor English speakers
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.
old
Adjective
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If someone or something is old, they are not young; they have been in existence for a long time.
An old man has gray hair.
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How old someone is, is their age.
"Ashley, how old are you?" "I'm only 16 years old."
lady
Noun
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A polite way of saying "woman".
Please direct this lady to the soft furnishings department.
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The wife of a lord or a woman who holds the office in her own right.
Lady Diana was very popular with the British people.
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A polite woman who is respected.
Mary, please try to act more like a lady in public.
If you are not ladylike, you will not be seen as a lady.