I gave him some money. He helped his father with the hospital bills.
If I hadn't given him some money, he wouldn't have helped his father with the hospital bills.
I didn't know that Lee was in the hopital last week. If I _________ (know), I _________ (visit) him.
had known, would have visited
Kevin caught the bus on time, but if he ____________ (miss) it, he ____________ (be) late for his appointment.
had missed, would have been
