USES: This type is used to talk about real or possible situations
STRUCTURE: If + present simple, … will + infinitive.
EXAMPLES: If you come for the weekend, we will go to the cinema – Si vienes para el fin de semana, iremos al cine.
USES: It is used to talk about the past, describing a situation that did not happen and its possible consequences.
STRUCTURE: If + past perfect, … would + have + past participle.
EXAMPLES: If I had woken up earlier, I would have arrived on time – Si me hubiera levantado antes, habría llegado a tiempo.
USES: It is formed with two verbs in the present tense, one in the main clause and one in the subordinate clause.
STRUCTURE: If + present simple, …. present simple.
EXAMPLES: If water boils, it evaporates – Si el agua hierve, se evapora.
USES: This structure has two uses. The first is to talk about situations in the future that are not likely to happen.
STRUCTURE: If + past simple, …would + infinitive.
EXAMPLES: If I won the lottery, I would spend my life travelling – Si ganara la lotería, me pasaría la vida viajando.