Englishfor English speakers
provided
Preposition
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You use provided mathx/math, mathy/math to show that if mathx/math is true, happens, etc., mathy/math will, too.
The doctor can save his life, provided he arrives in time.
it
Pronoun
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used to refer to an object without identifying or describing it; the object might have been described earlier in the text.
The house was very big. It had many rooms.
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used to describe the weather
It is very hot today.
I'm staying in because it is raining
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used to describe a situation in general
I don't like it when people tell me to do something.
It is hard to find a job.
it
Abbreviation
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It can be a short way of writing:
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# Italy or Italian
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# Information Technology, the use of computers
exist
Verb
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When something exists, it is real, not just an idea.
I can hold the rock, therefore it exists.
There exists a possibility that the mission will fail.