1. If I *had studied* harder, I would have passed the exam. (forma affermativa del past perfect di “study”)
2. If she *had not missed* the bus, she would have arrived on time. (forma negativa del past perfect di “miss”)
3. If they *had prepared* the meal earlier, we would not have been late. (forma affermativa del past perfect di “prepare”)
4. If he *hadn’t forgotten* his keys, he could have entered the house. (forma negativa del past perfect di “forget”)
5. If we *had taken* the train, we would have arrived faster. (forma affermativa del past perfect di “take”)
6. If you *had listened* carefully, you would have understood the lesson. (forma affermativa del past perfect di “listen”)
7. If I *hadn’t broken* my phone, I would have called you. (forma negativa del past perfect di “break”)
8. If she *had practiced* more, she would have won the contest. (forma affermativa del past perfect di “practice”)
9. If they *hadn’t left* early, they would have seen the show. (forma negativa del past perfect di “leave”)
10. If we *had booked* the tickets in advance, we wouldn’t have missed the event. (forma affermativa del past perfect di “book”)

1. If I had known, I *would have helped* you. (forma con “would have” + participio passato di “help”)
2. She *would have called* if she had arrived earlier. (forma con “would have” + participio passato di “call”)
3. They *would have gone* to the party if they had been invited. (forma con “would have” + participio passato di “go”)
4. We *would have finished* the project if we had more time. (forma con “would have” + participio passato di “finish”)
5. He *would not have lost* the match if he had trained harder. (forma negativa con “would have” + participio passato di “lose”)
6. You *would have enjoyed* the movie if you had watched it. (forma con “would have” + participio passato di “enjoy”)
7. I *would have visited* my grandparents if I had been free. (forma con “would have” + participio passato di “visit”)
8. They *would not have failed* the test if they had studied. (forma negativa con “would have” + participio passato di “fail”)
9. She *would have cooked* dinner if she had found the recipe. (forma con “would have” + participio passato di “cook”)
10. We *would have traveled* more if we had saved money. (forma con “would have” + participio passato di “travel”)