Englishfor English speakers
as
Preposition
—
A word that is used to compare two things that are equal.
As you know, we need more workers.
I baked the cake as my mother used to.
The room looks just as it did when I was a child.
The speech, as he remembered it, was very powerful.
Interesting as it seems, I don't think I'll get it.
He was as big as a mountain.
—
A word that is used to show that two things happened at the same time.
Just as I went out, it started to rain.
We sleep as the world turns in darkness.
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A word that is used to show why something happens.
As I couldn't understand French, I didn't watch the film.
as
Adverb
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A word that is used to compare two things that are equal. (Used before adjectives)
You are younger than I am, but nearly as tall.
This is not as good as it was last time.
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.
hobby
Noun
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A hobby is an activity that a person likes to do with their extra time.
When I'm not at work, my hobby is to work on my car.
When I'm not at college, my favourite hobby is to play video games.
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A hobby can also be a bird with long wings.
We saw a hobby fly by.