Exercise 1 : Complétez les phrases avec la bonne forme verbale (conditionnels 0, 1, 2, 3)
1. If you heat water to 100°C, it *boils*. (Indice : vérité générale/scientifique, zero conditional, présent simple)
2. If it rains tomorrow, we *will stay* at home. (Indice : situation future possible, first conditional, will + base verbale)
3. If I were you, I *would study* more. (Indice : hypothèse/irréel dans le présent, second conditional, would + base verbale)
4. If she had known the answer, she *would have told* us. (Indice : hypothèse irréelle du passé, third conditional, would have + participe passé)
5. If you mix red and blue, you *get* purple. (Indice : résultat automatique, zero conditional, présent simple)
6. If they come early, we *will start* the meeting. (Indice : plan dans le futur, first conditional, will + base verbale)
7. If he were taller, he *would play* basketball. (Indice : hypothétique dans le présent, second conditional)
8. If we had left earlier, we *would have arrived* on time. (Indice : regret dans le passé, third conditional)
9. If I win the lottery, I *will travel* around the world. (Indice : si dans le futur, first conditional)
10. If you don’t water the plants, they *die*. (Indice : vérité générale, zero conditional, présent simple)
2. If it rains tomorrow, we *will stay* at home. (Indice : situation future possible, first conditional, will + base verbale)
3. If I were you, I *would study* more. (Indice : hypothèse/irréel dans le présent, second conditional, would + base verbale)
4. If she had known the answer, she *would have told* us. (Indice : hypothèse irréelle du passé, third conditional, would have + participe passé)
5. If you mix red and blue, you *get* purple. (Indice : résultat automatique, zero conditional, présent simple)
6. If they come early, we *will start* the meeting. (Indice : plan dans le futur, first conditional, will + base verbale)
7. If he were taller, he *would play* basketball. (Indice : hypothétique dans le présent, second conditional)
8. If we had left earlier, we *would have arrived* on time. (Indice : regret dans le passé, third conditional)
9. If I win the lottery, I *will travel* around the world. (Indice : si dans le futur, first conditional)
10. If you don’t water the plants, they *die*. (Indice : vérité générale, zero conditional, présent simple)
Exercise 2 : Transformez la phrase en une structure conditionnelle correcte
1. If you eat too much, you *get* sick. (Indice : conséquence générale, zero conditional, présent simple des deux côtés)
2. If I see him, I *will tell* him the news. (Indice : rencontre possible dans le futur, first conditional)
3. If I were rich, I *would buy* a big house. (Indice : situation imaginaire au présent, second conditional, would + base verbale)
4. If he had studied, he *would have passed* the exam. (Indice : passé irréel, third conditional, would have + participe passé)
5. If the weather is nice, we *will go* to the beach. (Indice : plan futur possible, first conditional)
6. If you break the rules, you *get* in trouble. (Indice : résultat automatique, zero conditional)
7. If she spoke French, she *would work* in Paris. (Indice : condition irréelle au présent, second conditional)
8. If it had rained, we *would have stayed* at home. (Indice : hypothétique au passé, third conditional)
9. If you press this button, the computer *turns* on. (Indice : cause/effet général, zero conditional, présent simple)
10. If they arrive late, we *will wait* for them. (Indice : condition réelle dans le futur, first conditional)
2. If I see him, I *will tell* him the news. (Indice : rencontre possible dans le futur, first conditional)
3. If I were rich, I *would buy* a big house. (Indice : situation imaginaire au présent, second conditional, would + base verbale)
4. If he had studied, he *would have passed* the exam. (Indice : passé irréel, third conditional, would have + participe passé)
5. If the weather is nice, we *will go* to the beach. (Indice : plan futur possible, first conditional)
6. If you break the rules, you *get* in trouble. (Indice : résultat automatique, zero conditional)
7. If she spoke French, she *would work* in Paris. (Indice : condition irréelle au présent, second conditional)
8. If it had rained, we *would have stayed* at home. (Indice : hypothétique au passé, third conditional)
9. If you press this button, the computer *turns* on. (Indice : cause/effet général, zero conditional, présent simple)
10. If they arrive late, we *will wait* for them. (Indice : condition réelle dans le futur, first conditional)
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