Si no hubiera ocurrido el colapso, habrían rescatado a las víctimas.

Questions & Answers about Si no hubiera ocurrido el colapso, habrían rescatado a las víctimas.

Why does the "if" clause use hubiera ocurrido instead of the regular past perfect había ocurrido?
In Spanish, unreal or hypothetical situations in the past must use the past perfect subjunctive (the hubiera or hubiese form) immediately after si (if). Using the indicative había ocurrido here would be grammatically incorrect because the collapse did actually happen, making this a contrary-to-fact statement.
Could I use hubieran rescatado instead of habrían rescatado in the second half of the sentence?
Yes! While traditional grammar pairs the past perfect subjunctive (hubiera ocurrido) with the conditional perfect (habrían rescatado), it is extremely common in everyday Latin American Spanish to use the -ra subjunctive form for both halves. So, saying ...hubieran rescatado a las víctimas is perfectly normal and widely accepted.
Why is the subject el colapso placed after the verb hubiera ocurrido?
In Spanish, it is very common to place the subject after the verb, especially with verbs of happening, appearing, or existing (like ocurrir, pasar, or llegar). You can absolutely say Si el colapso no hubiera ocurrido, but placing el colapso at the end flows very naturally for a native speaker.
Why do we need the word a in a las víctimas?
This is a quick refresher on the "personal a". Whenever the direct object of a verb is a specific person or group of people, Spanish requires you to put an a right before it. Since the victims are people receiving the action of being rescued, the a is mandatory here.

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