1.ZERO CONDITIONAL GENERAL FACTS ( If + simple present , Simple present )
Example: If you heat water, it evaporates.
1. If it (rain), the dams (become) full.
2. Ice (melt) if you (heat) it.
3. If you (throw) a ball to the west, it (go) farther.
4. People (die) if they (not/eat) anything.
5. If you (put) water in a freezer, it (turn) into ice.