Ex.3. 1.If he saw me
now he might not recognize me. 2. I would be happier if I lived in the country.
3. You could write a book if you wanted to. 4. If I found a taxi right now I
might be on time. 5. If they were rich they would travel round the world. 6. He
might not be so miserable if he didn`t work so hard. 7. If we took time off
work we could go away. 8. If she didn`t moan so much people might like her
better.Ex.4. 1. would have
won the game; 2. had followed the direction; 3. would have had nothing to eat;
4. had jumped on; 5. would have been able to call us; 6. would have taken so
long; 7. hadn`t liked your present; 8. had checked my essay