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.
man
Noun
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A man is a male human.
He was a young man with blue eyes.
—
A human being of either sex; a person.
God cares for all races and all man
God made man in his own image
Scientists and biologists think that man and animals evolved over the years, and that man evolved from a "human" species such as "homo erectus" or "neanderthals" and that man first stood up, millions of years ago, but this isn't true
man
Interjection
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You use man to show your surprise or disappointment.
Oh man, I wanted to do the dishes!
of
Preposition
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Made using.
It is a house of cards.
worth
Adjective
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If mathx/math is worth mathy/math, mathx/math has the value of mathy/math, usually in money.
The painting is worth over $1 million.
The house is worth $20000.
Excuse me, how much is this ring worth?
The car is fifteen years old and isn't worth much anymore.
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If something is worth doing, or is worth it, there is value in doing it. It's not a waste of time.
It's not worth washing now 'cause it'll just get dirty again later.
This is important, so it's worth taking your time to get it right.
worth
Noun
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The worth of something is its value.
I just bought $8,000 worth of gold.
Its worth is dropping every day.