Respuestas
1. If I won the lottery, I would buy a big house.(I probably won't win the lottery)
2. If I met the Queen of England, I would say hello.
3. She would travel all over the world if she were rich.
4. She would pass the exam if she ever studied.
5. Daniel would increase his experience as a teacher if he explained other subjects.
6. You would be healthier if you practiced sports.
7. If you didn't drive while you're drunk, you wouldn't die by a car accident.
8. If you saw a black cat, you would probably have bad luck.
9. If someone talked in the conference without a permission, he would be reprimanded.
10. I would be tired if I worked out in the morning.
11.If I had his number, I would call him.
12.If I were you, I wouldn't go out with that man.
13.If it rained, you would get wet.
14.You would get wet if it rained.
15.If you went to bed earlier you wouldn't be so tired.
16.If she fell, she would hurt herself.
17.You wouldn't be so tired if you went to bed earlier.
18.She would hurt herself if she fell.
19.If I was the Queen of England, I would give everyone a chicken. (imaginary situation)
20.If I knew where she lived, I would go and see her.