1) If Hoa hadn't lent me the money, I wouldn't have been able to buy the car
2) If you had had breakfast, you wouldn't be hungry now
3) If Tom hadn't been studying, he would have answered the phone
4) If only people weren't destroying the forest at an alarming rate
5) Lan said it took her three hours to get there
6) Hoa asked how John had gotten there the previous day (hoặc: Hoa asked John how he had gotten there the previous day)