Englishfor English speakers
if
Preposition
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If is used in a condition:
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# When something will cause something else
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#: If it rains, I will get wet.
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# When a condition is not true
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#: I'd prefer it if you took your shoes off.
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# although
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#: He was a great friend, if a little strange.
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# When ... occurs (a programming statement).
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#: If A, then B, else C.
if
Subordinator
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If is used to report questions and things that are unknown.
She asked if they had arrived yet.
I don't know if I want to go or not.
if
Noun
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If is a conditional situation.
There are many ifs we need to consider before we start on the plan.
gain
Noun
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A gain is the act of getting something.
You have nothing to gain.
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What one gains, as a return on investment or dividend.
No pain, no gain.
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The factor by which a signal is multiplied.
gain
Verb
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You gain something by getting or receiving it.