Zero Conditional:The zero conditional is used to talk about general facts, universal truths, or situations that always happen if the condition is met. The structure is simple:If + Present Simple, Present SimpleExamples:1. If you heat water to 100 degrees Celsius, it boils.2. If it rains, the grass gets wet.3. If you mix red and blue, you get purple.4. If you touch a fire, you get burned.5. If it snows, it gets cold.6. If you freeze water, it turns to ice.7. If you don't water plants, they die.First Conditional:The first conditional is used to talk about real and possible situations in the future. The structure is:If + Present Simple, will + infinitiveExamples:1. If it rains tomorrow, we will stay home.2. If you study hard, you will pass the exam.3. If I finish my homework, I will watch a movie.4. If it is sunny tomorrow, we will go to the beach.5. If he doesn't call me, I will send him a message.6. If you save enough money, you will buy a new car.7. If they arrive early, we will start the meeting on time.