If I had another chance to do it, I would exercise

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if i could have another chance i would read books.
If I had another chance to do it, I would exercise.
If I had another opportunity to do it, I would spend it with the family.
If I have another chance it would be more punctual.
If I could do something different it would be to be more organized.
If I have another opportunity I would like to learn more things.