18. Conditional IF Clause – Part 1
Any sentence which can be stated or formatted with IF Clause is a conditional where the truth of the sentence depends upon main clause being true when the condition clause is true. These are of 5 types namely Zero, 1st, 2nd, 3rd and Mixed. Zero Conditional applies to current or continuous time with a real and possible scenario. The zero (0) conditional is the factual conditional. It is used to talk about habits, scientific facts, general truths, laws of nature, instructions. Such conditions cannot be manipulated, controlled, planned, nor be a matter of uncertainty or possibility. This is the reason why its named zero conditional. The word when or whenever which mean any time/every time, can often replace the word ‘if’ in the Zero Conditional without changing the meaning.
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