The zero conditional is used to describe, generally known truths, scientific facts, the time is always and now and the situation is possible and real.
|If + present simple
|If + subject + verb in the present tense||Subject + verb in the present tense
|If babies are hungry,
|If you heat ice,
As with all conditional sentences, the order of the clauses can be changed. However you may have to rearrange the pronouns and correct the punctuation..
|Subject + verb in the present tense||If + subject + verb in the present tense|
||if they don’t get enough water
|I get hungry
if I don’t eat
In zero sentences, if can be replaced by when without changing the meaning of the sentence.
When you heat ice, it melts.
When you don’t give plants enough water, they die.
Conditional sentences are sentences that discuss known factors or hypothetical situations and their consequences.
A conditional sentence consists of two clauses: the condition or if-clause and the main or result clause.
There are five main types of conditional sentences.
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