The conditional perfect describes hypothetical situations that existed in the past.
It is formed using haber in the conditional tense and the proper past participle:
- Yo habría dicho eso. = I would have said that.
- Habríamos elegido ese hotel. = We would have chosen this hotel.
Duolingo Lesson: www.duolingo.com/skill/es/Verbs%3A-Conditional-Perfect