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.
question
Noun
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Something someone says to have someone else say an answer.
The question is: "How much money do we have?"
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A trouble or thing to talk about.
It was a question of right and wrong.
question
Verb
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To say questions to someone; to ask someone questions.
She questioned him fully.
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To have an idea that something may be true or may not be true.
They questioned whether he was right .
of
Preposition
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Made using.
It is a house of cards.