This type of conditional is used to think about past situations that did not happen and imagine what results they would have had
2. If I had known you needed help, i would have helped you.
3. If I hadn´t eaten so much, I wouldn´t have felt sick
4. if the titanic hadn't sunk, a lot of people would have been alive
5. If I hadn't missed my flight, I'd be on vacation right now.
Extra help to practice:
