1. If she weren't selfish, we would like her
2. Unless you spoke quickly, I could understand you
3. If we don't hurry up, we will miss the bus
4. If you don't do the test carefully, you may get bad mark
5, If Nga don't hurry, she will miss the train
6, If Mary had enough money, she would buy this shirt
7, If Tom didn't eat too much, he wouldn't get fat
8, we could go to the beach if I were free today
9. The children could go swimming if it weren't rain
10. If you don't give him some advice, he won't know what to do
11. If he doesn't put the raincoat, he will get wet
12. We would buy a lot of new books if we had a lot of money