Ex. 5. make the following sentences conditional (real or unreal), starting with if
1. it's important to protect wildlife now or there will be nothing left for future generations. 2. he's not a millionaire. he won't buy you a house. 3. the schoolchildren sowed some seeds, but they forgot to water them, so the seeds didn't grow. 4. he hopes he will get rich one day and will see the world. 5. when they were young many people didn't realize that smoking was dangerous. now they are having serious health problems. 6.1 couldn't stop the car. there was an accident. 7. they are leaving soon and it makes me unhappy. 8. he didn't enjoy school, so he didn't do very well. 9. time flies! you can never think of your future. 10. the fax hasn't come yet. we can't act. 11. it was raining quite hard, but mary went out wearing thin sandals, and her feet soon got wet. 12. he bought the house without consulting the agent. now he realizes it wasn't a sensible thing to do. 13. helen ate too much birthday cake. she was sick. 14. heidi is going to eat the whole cake. she is sure to fall ill.