1.My sister would come to see me -b) if she were not busy today
2.He would have bought the book -a) if he had had enough money at that moment.
3.Patty's dreams would probably have come true e) if the jug of milk hadn't fallen on the road.
4. He would have passed the exam c) if he hadn't made so many grammar mistakes
5. We shall save our Planet d) if we care about the environment.