Type 1:
1. If it rains, we won't go camping.
2. If it stops raining, we can go out.
3. If you feel cold, don't open the door.
4.If you like the movie, why don't you go to the cinema?
5. If I can help you, I will.
Type 0:
1. If Minh phones, tell him to meet me at the school.
2. If you want to come, call me after 5.00.
3. The grass get wet when it rains.
4.Plants die if they don't get enough water.
5. If you heat ice, it melts.