"Zero Conditional"

Conditional East says to a situation that it is always real (universal truths)

Structure

If clause	Main clause
If + Present tense	Present tense

Examples:

• If you freeze water, it turns into ice.
  Si congelas el agua, se convierte en hielo.
• If I work too much, I get tired. 
  Si trabajo demasiado, me canso.
• If I have time, I usually go to the movies.
  Si tengo tiempo, generalmente voy al cine.