This document discusses the past conditional tense in English. The past conditional is used to talk about hypothetical or unlikely past situations, such as deductions, improbable hypotheses, and questions involving "if", "I wished", "Whenever", or "Whether". It can be formed negatively using "wouldn't have" or interrogatively using "would have" followed by the subject.

1. PAST CONDITIONAL

2. PAST CONDITIONAL
It is used to express:
- deductions: It would have been a good
opportunity for you!
- improbable hypotheses:
If I had been you, I would have changed everything

3. PAST CONDITIONAL
Forma negativa:
I wouldn't have believed you!
It wouldn't have been a surprise!
Forma interrogativa:
How much would have you paid for his service?
Would have you lost all your money to help her?

4. PAST CONDITIONAL
Keywords:
- if
- I wished
- Whenever
- Whether