Après avoir appris le futur (1st conditional), passons aux hypothèses imaginaires ou aux regrets du passé.

1. Second Conditional (L’imaginaire / Le présent)

Utilisé pour des situations improbables ou imaginaires dans le présent ou le futur.

Structure : If + Past Simple, … would + Base Verbale.
If I won the lottery, I would travel the world.
If I were you, I would go to the doctor. (On utilise souvent ‘were’ à la place de ‘was’ après ‘if’).

2. Third Conditional (Le regret / Le passé)

Utilisé pour imaginer un passé différent. C’est le temps du regret ou du soulagement.

Structure : If + Past Perfect, … would have + Participe Passé.
If I had studied more, I would have passed the exam. (Mais je n’ai pas étudié, et j’ai échoué).
If we hadn’t missed the bus, we wouldn’t have been late.

Type	Condition (If…)	Résultat	Utilisation
0	Present Simple	Present Simple	Vérités générales
1	Present Simple	Will + BV	Possible / Réel
2	Past Simple	Would + BV	Imaginaire / Improbable
3	Past Perfect	Would have + PP	Regret (Passé)

Complète avec la forme correcte (Type 2 ou Type 3).

#1 If I (have)

more money, I would buy a boat.

#2 If we (go)

to bed earlier last night, we wouldn't have been so tired.

#3 I (call)

him if I knew his number.

#4 If she (not / fall)

, she would have won the race.

#5 Where (you / live)

if you could live anywhere?

#6 If they (tell)

me about the problem, I would have helped them.

#7 If I (be)

an astronaut, I would go to Mars.

#8 We (not / be)

lost if we had brought a map.

#9 What (you / do)

if you saw a ghost?

#10 If I (know)

you were coming, I would have baked a cake.