El tercer condicional se usa para imaginar una solución que no sucedió a una situación del pasado.
If I had taken the train, I wouldn't have had the accident.
Estructura del 'third conditional'
Existen dos estructuras posibles para formar este tipo de condicional:
1 If + condition + result:
|If + past perfect (condition clause)||,||would + have + past participle (result clause)|
|If you had gone to the party||,||you would have met her.|
|If we hadn't studied||,||we wouldn't have passed the course.|
2 Result + if + condition:
|Would + have + past participle (result clause)||if + past perfect (condition clause)|
|I would have traveled around the world||if I had won the lottery.|
|You would have gone||if you had asked me.|