Englishfor English speakers
for
Preposition
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shows that something belongs to something else, or has a specific function
This cake is for you.
This is a net for catching fish.
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For is used to show the reason for something
He was angry, for he had never been called such terrible names before.
for
Subordinator
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For introduces a clause with a subject and a to-infinitive
It's not good for you to be too relaxed.
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.
limited
Adjective
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If something is limited, there is only a certain amount of it.
We have room for only a very limited number of people.
period
Noun
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A period is a length of time.
There was a short period when my computer stopped working.
During the first period, Germany scored two goals.
The dinosaurs lived from late in the Triassic period (about 225 million years ago) until the end of the Cretaceous (about 65 million years ago).
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A period is the dot that marks the end of most sentences in English. This -> . is a period.
Should I use an exclamation mark or a period at the end of this sentence?
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A woman's period is the time each month when she passes blood.
I have missed two periods now. I think I must be pregnant.
period
Interjection
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And nothing else; and nothing less; used for emphasis.
When I say "eat your dinner," it means "eat your dinner", period!
of
Preposition
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Made using.
It is a house of cards.
time
Noun
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Time is what we measure with a clock.
"What time do you finish work?" "At four o'clock (4:00)."
I don't have time to talk to you right now. Can we do it later?
—
If you do something one time, you do it once.
time
Verb
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If you time something, you measure how long it takes in seconds, minutes, hours, etc.
Take out your watch and time yourself during the test.