Bonsoir

1- If it gets warmer, I will go swimming.

2- If it was warmer, I would go swimming.

3- I will buy a moped if I can afford it.

4- I would buy a moped if I could afford it.

5- I would learn the guitar if I had the time.

6- I will learn the guitar next year if I have the time.

If + présent ====> futur "will + Base Verbale"

if + prétérit =====> conditionnel présent "would + Base Verbale"

bonne soirée ☺☺☺