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.
sad
Adjective
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When someone feels sad, they have a bad feeling because of a loss or other problem. They are not happy.
The sad girl cried.
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When something is sad, it makes you feel unhappy.
It was a sad movie.
Death is a very sad thing.
sack
Noun
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A sack is a bag used to hold things.
She opened the brown paper sack and put the shopping in it.
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To sack is to plunder and pillage a captured town or city.
The sack of Rome.
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The sack is a slang word for bed.
I'm tired. I think I'll hit the sack and get some sleep.
sack
Verb
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To plunder or pillage a captured town or city.
The barbarians sacked Rome.