Third Conditional Sentence Third Conditional Sentence is generally used to express our regret toward condition and situation. in other words, It talks about the past. It's used to describe a situation that didn't happen, and to imagine the result of this situation. Regret tells us about feel sad, repentant, or disappointed over (something that has happened or been done, especially a loss or missed opportunity). Form: if + past perfect, ...would/could/should + have + past participle If she had studied , she would have passed the exam (but, really we know she didn't study and so she didn't pass) If I hadn't eaten so much, I wouldn't have felt sick (but I did eat a lot, and so I did feel sick). If we had taken a taxi, we wouldn't have missed the plane She wouldn't have been tired if she had gone to bed earlier She would have become ...
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