The zero conditional is a grammatical structure used to express general truths, facts, or scientific rules that are always true under certain conditions. It is formed using the present simple tense in both the "if" clause and the main clause. For example, in the sentence "If you heat water to 100 degrees Celsius, it boils," the statement describes a consistent fact about water. Zero conditional sentences are commonly used to convey situations where one action always leads to another, emphasizing reliability and certainty in the relationship between the two parts of the sentence.

英語での「zero conditional」の定義と意味

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