Les 4 types conditionnels

Fiche recapitulative - Cabinet Action

Tableau recapitulatif

Type	Structure IF	Resultat	Usage
Zero Conditional	If + present simple	Present simple	Verites generales, faits scientifiques
First Conditional	If + present simple	will + base verbale	Situations futures probables
Second Conditional	If + preterit (past simple)	would + base verbale	Situations hypothetiques au present/futur
Third Conditional	If + past perfect (had + PP)	would have + participe passe	Regrets, situations passees irreelles

Exemples detailles

Type	Anglais	Francais
Zero	If you heat ice, it melts.	Si vous chauffez de la glace, elle fond.
Zero	If you mix red and blue, you get purple.	Si on melange rouge et bleu, on obtient du violet.
First	If it rains, we will stay home.	S'il pleut, nous resterons a la maison.
First	If you study, you will pass.	Si tu etudies, tu reussiras.
Second	If I were rich, I would travel.	Si j'etais riche, je voyagerais.
Second	If I had time, I would learn piano.	Si j'avais le temps, j'apprendrais le piano.
Third	If I had studied, I would have passed.	Si j'avais etudie, j'aurais reussi.
Third	If they had left earlier, they would have caught the train.	S'ils etaient partis plus tot, ils auraient attrape le train.

Astuce : Retenez la regle d'or : on ne met JAMAIS "will" ou "would" dans la clause IF des conditionnels classiques. Le temps verbal apres IF determine le type de conditionnel.