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.
sure
Adjective
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When you are sure about something, you are certain.
The student was sure that his answer was correct.
bet
Verb
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When you bet, you take a chance with money or something else on the result of a future event.
I bet five dollars that I would win the game.
Would you bet your life on that answer?
I bet Tom that he could not run as fast as Joe.
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If you bet something is true, you strongly believe it.
I bet you left it on the table.
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You used "you bet" to show you agree with somebody.
"Could you help me here?" "You bet! What do you need?"
I bet my life that he said it.
bet
Noun
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A bet is the thing of value or amount of money that you bet.
Jim had a bet of twenty dollars that he would complete the test on time.
Place your bets.
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A good bet is something you should believe, or try.
"Where can I get that book?" "I think the school library is your best bet."