1) If they had eaten any breakfast, they wouldn't be hungry now.
2) If Susan were expirienced, she would have taken the job.
3) If he has trained every day, he would win the race.
4) If I had book seats, we could go to the concert tonight.
5) If he drove carefully, he wouldn't have crashed the car.
6) If I knew him well, I wouldn't have invited him to my party.
7) If you paid attention, you wouldn't have made so many mistakes.