Exercise 1: Third Conditional Sentences
1. If I *had known* (know) about the concert, I would have bought tickets.
2. She would have passed the exam if she *had studied* (study) harder.
3. If he *hadn’t overslept* (not oversleep), he wouldn’t have missed the train.
4. I would have called you if I *had found* (find) my phone.
5. If they *had invited* (invite) us, we would have attended the party.
6. She wouldn’t have been late if she *had left* (leave) earlier.
7. If I *hadn’t eaten* (not eat) so much, I wouldn’t have felt sick.
8. We would have won the game if we *had scored* (score) that goal.
9. If he *had taken* (take) the job offer, he would have been happier.
10. You would have understood the movie if you *had watched* (watch) the previous one.
11. If she *hadn’t forgotten* (not forget) her umbrella, she wouldn’t have got wet.
12. He would have been on time if he *had caught* (catch) the bus.
13. If I *had known* (know) the answer, I would have raised my hand.
14. You wouldn’t have lost your wallet if you *had put* (put) it in your bag.
15. If they *had listened* (listen) to the teacher, they would have understood the lesson better.
Exercise 2: Third Conditional Sentences
1. If she *had practiced* (practice) more, she would have played better.
2. He would have arrived earlier if he *hadn’t been stuck* (not be stuck) in traffic.
3. If they *had told* (tell) the truth, they wouldn’t have been in trouble.
4. I would have bought that dress if it *had been* (be) on sale.
5. If he *hadn’t lost* (not lose) his keys, he wouldn’t have been locked out.
6. She would have been more successful if she *had worked* (work) harder.
7. If we *had known* (know) about the storm, we would have stayed home.
8. You would have found your way if you *had asked* (ask) for directions.
9. If he *had taken* (take) the medicine, he would have felt better.
10. They would have enjoyed the holiday if it *hadn’t rained* (not rain) all week.
11. If she *had studied* (study) more, she would have got a better grade.
12. I would have helped you if you *had asked* (ask) me.
13. If they *hadn’t argued* (not argue), they would have enjoyed their trip more.
14. She would have been on time if she *had remembered* (remember) to set her alarm.
15. If I *had seen* (see) you at the store, I would have said hello.
