I am still a bit confused as to when to use なら or たら in a sentence for an
“if.....” question.

For examaple, if I want to say - “if there is a problem, please speak English”
- what would be the most correct:

もし問題あるなら英語で話してください

Or

もし問題あったら英語で話してください﻿

And what would be the difference?

Thank you..

N.
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2017-11-03T11:23:01.030
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2017-11-03T11:23:01.030
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question
grammar
なら or たら - what is the difference when saying “if”