si

si

The French word "si" means "if," "yes" (in response to a negative question), or "so."

In this sentence, 'si' is used as a conjunction to express a condition (if).

Si tu veux, on peut aller au cinéma ce soir.

If you want, we can go to the movies tonight.

Here, 'si' introduces an indirect question (if/whether).

Je me demande si elle viendra aujourd'hui.

I wonder if she will come today.

In this case, 'si' is used as an adverb to emphasize the extent of an adjective (so).

Il est si intelligent qu'il a résolu le problème en quelques minutes.

He is so intelligent that he solved the problem in a few minutes.