Si Clauses Type 1

Si (if) clauses are one of the most important grammatical structures in French. They allow you to express conditions and their results. Type 1 si clauses describe real, possible conditions — things that might actually happen.

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The Formula

Si + present tense → future tense (futur simple or futur proche)

Si Clause (Condition)	Main Clause (Result)
Si + present	futur simple
Si + present	futur proche
Si + present	imperative

Critical Rule: After "si" meaning "if," you never use the futur simple. The present tense goes in the si clause; the future goes in the result clause.

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Examples: Si + Present → Futur Simple