Odpowiedź:
Wyjaśnienie:
2. If he had known about her boyfriend, he wouldn't have asked her out to dinner.
3. You would have caused an accident if you hadn't seen the stop sign.
4. If we hadn't had the wrong address, we wouldn't have got lost.
5. I would have been disappointed if I hadn't passed all my exams.
6. The thief wouldn't have got caught if he hadn't left his mobile at the crime scene.
If + Past Perfect, Future Perfect in the Past
If + had + III forma, would have + III forma czasownika
Zdanie podrzędne, rozpoczynające się od "If" może być na drugim miejscu, za zdaniem nadrzędnym.