z.3.
1. is raining, will have
2. have, will go
3. won't stop, use
4. drive, will reduce
5. will get, keep
6. forget, won't be
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z.4.
1. If you go swimming you will get wet.
2. If you heat ice, it will melt.
3. If you don't give them water, plants will die.
4. If you mix red and blue, you will get purple.
5. If there's no power, the TV won't work.
6. If you turn the lights off, you will save the energy.
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z.5.
1. If I have time after school today, I will go to my best friend's house.
2. If we stop burning fossil fuels, we will protect environment.
3. I'll be late if I don't hurry up.
4. You won't get a good mark in the test if you don't study hard.
5. If the weather is good this weekend, we will go to the swimming pool.
6. You will get into trouble, if you don't say it them.
7. You won't save electricity, if you always turn the lights on.
8. If you travel by bus, you won't go faster than by car.
