Tercer Condicional - (type III) Third Conditional - (type III)

Third Conditional, también -Type III- Refiere a una situación hipotética del pasado y se forma según la estructura : if + past perfect + conditional perfect. Aquí tienes algunos ejemplos traducidos.
If clause Main clause
If + Past Perfect tense would/could/might + have + past participle
If I had won the lottery, I would have traveled around the world.

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• If I had won the lottery, I would have traveled around the world.
Si yo hubiera ganado la lotería, habría viajado por todo el mundo.
• If I had seen him, I would have told him about you.
Si lo hubiese visto, le habría contado acerca de ti.
• If I had known the answer, I would have raised my hand.
Si hubiese sabido la respuesta, habría levantado mi mano.
• If she had come on Saturday, I would have seen her.
Si ella hubiese venido el sábado, la habría visto.
• If they had left earlier, they would have arrived on time.
Si ellos hubiesen salido más temprano, habrían llegado a tiempo.
• If we had studied harder, we might have passed the test.
Si hubiésemos estudiado más duro, podríamos haber aprobado la prueba.
• If you had gone to Brazil, you would have had lots of fun.
Si tu hubieses ido a Brasil, habrías tenido mucha diversión.
• If I hadn't been so busy, I could have helped you.
Si no hubiese estado tan ocupado, te podría haber ayudado.
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• If you had phoned me, I would have known you were here.
Si tu me hubieses telefoneado, habría sabido que estabas aquí.
• If they had invited us, we would have accepted at once.
Si ellos nos hubiesen invitado, habríamos aceptado de inmediato.
• If she had explained me the problem, I would have understood it.
Si ella me hubiese explicado el problema, lo habría entendido.
• If I hadn't forgotten his number, I would have phoned him.
Si no hubiese olvidado su número, lo habría llamado.
• If it hadn't rained, we would have gone fishing.
Si no hubiese llovido, habríamos ido a pescar.
• If my sister had been here, she would have enjoyed this.
Si mi hermana hubiese estado aquí, habría disfrutado esto.
• If they hadn't drunk so much last night, they wouldn't have felt sick today.
Si no hubiesen tomado tanto anoche, no se habrían sentido enfermos hoy.
• If he had worked more, he could have saved more money.
Si él hubiese trabajado más, podría haver ahorrado más dinero.