Zero conditional sentences express general truths, scientific facts, or habitual actions. They use the simple present tense in both the "if" clause and the main clause. Examples include "If you heat water to 100 degrees Celsius, it boils" and "If you don't water plants, they die." 20 Sentences of Zero Conditional Type 0, Zero Conditional …Here are some more examples:If you mix blue and yellow paint, you get green, according to Vedanta. When the sun goes down, it gets dark, .