If clause Main clauseIf + Present tense will / can / may / must + verbIf it rains today, Ill stay at home
• If it rains today, Ill stay at home. Si llueve hoy, me quedaré en casa.• If he is busy now, I will come back tomorrow. Si está ocupado ahora, regresaré mañana.• If I have time, Ill visit my parents this afternoon. Si tengo tiempo, visitaré a mis padres esta tarde.• If it is warm tomorrow, well go to the beach. Si está caluroso mañana, iremos a la playa.• If it is cold, you must wear warm clothes. Si está frío, debes usar ropa abrigada.
Zero.If clause Main clauseIf + Present tense Present tenseIf you freeze water it turns into ice.
• 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.• If she eats hamburgers, she gets an allergy. Si ella come hamburguesas, le da alergia.
Second.If clause Main clauseIf + Past Simple would / could / might + verbIf I won the lottery, I would travel around the world.
• If I won the lottery, I would travel around the world. Si ganara la lotería, viajaría por todo el mundo.• If I were in Brazil, I would go to Rio de Janeiro. Si yo estuviese en Brasil, iría a Río de Janeiro.• If I were you, I would buy that car. Si yo fuese tú, compraría ese auto.• If he were in my place, he wouldnt do this. Si él estuviese en mi lugar, no haría esto.