Material Unit 3
Requisitos de finalización
Ver
1. Grammar
1.2. Zero Conditional
Zero conditional is a structure used for talking about things that are always true, for instance, scientific facts, general truth and so on. Most zero conditional sentences will mean the same thing if "when" is used instead of "if").
if-clauses | main clause |
Present Simple - If you heat water, -When I am tired, |
Present Simple it boils. I get black circles under my eyes. |